2. Determine the value of a that would make the vectors (-11, 3) and (6, a) perpendicular.

Answers

Answer 1

The value of a that would make the vectors (-11, 3) and (6, a) perpendicular is 22.

The two vectors (-11, 3) and (6, a) are perpendicular if and only if their dot product is zero.

Therefore,-11 * 6 + 3 * a = 0-66 + 3a = 0.

Then,3a = 66a = 22.

Therefore, the value of a that would make the vectors (-11, 3) and (6, a) perpendicular is 22. The main answer is 22.

We have found that the value of a that would make the vectors (-11, 3) and (6, a) perpendicular is 22.

Hence the answer is:

Therefore, the value of a that would make the vectors (-11, 3) and (6, a) perpendicular is 22.

To know more about dot product visit:

brainly.com/question/29097076

#SPJ11


Related Questions

Visualize the multiplication of \( (1+3 i)(-1-3 i) \) by plotting the initial point, and the result.

Answers

Initial point of `(1+3i)` is `(1, 3)`Initial point of `(-1-3i)` is `(-1, -3)`.Result is `-10` which lies on the real axis with a distance of `10` units from the origin.

Given:Multiplication of `(1 + 3i)(-1 - 3i)

To find:Plot the initial point and the result using `

Multiplication of two complex numbers `(a+ib) (c+id)` can be calculated using the following formula;(a+ib) (c+id) = (ac - bd) + i(ad + bc)

Given: `(1+3i)(-1-3i)`Now compare the given equation with `(a+ib) (c+id)

Then, a = 1, b = 3, c = -1, and d = -3

Using the above formula, we have(-1 - 9) + i(3 - 3) = -10 + 0i

So, the result of `(1+3i)(-1-3i)` is `-10`

We know that,Every complex number can be represented as the ordered pair of real numbers.

For example, a complex number a + bi can be represented by (a, b)

The following steps can be used to visualize the multiplication of complex numbers by plotting on the complex plane;

Step 1: Plot the complex number `1+3i`

Step 2: Plot the complex number `-1-3i`

Step 3: Plot the result `-10` on the complex plane. It lies on the real axis with a distance of `10` units from the origin. We can represent it as `(10, 0)`

Therefore, the plot of the initial point, and the result is as shown below;

Initial point of `(1+3i)` is `(1, 3)`Initial point of `(-1-3i)` is `(-1, -3)`

Result is `-10` which lies on the real axis with a distance of `10` units from the origin.

We can represent it as `(10, 0)`

The following is the plot of the initial point and the result.  

Learn more about Initial point

brainly.com/question/31405084

#SPJ11

In old-growth forests of Douglas fe, the spotted owl dines mainly on flying squirrels Suppose the predator-prey matrix for the two populations in A 04:07 and assume that any initial vector x, has an eigenvertor decomposition -p 17 such that c, D. Show that if the predation parameter p is 0.375, both populations grow Estimate the long-term growth rate and the eventual ratio of owls to flying squi #p-0.375, the eigenvalues of A are Both populations grow because of these eigenvalues[ (Use a comma to separate answers as needed) The long term growth rate of both populations is about Eventually, the two populations will be in the singlifed ratio of approximately spotted owl(s) to every thousand fying equires (Type whole numbers.) than

Answers

The two populations will be in the single-digit ratio of approximately 5 spotted owl(s) to every thousand flying squirrels.

Given that the predator-prey matrix for the two populations in A is 04:07 and any initial vector x has an eigenvector decomposition -p 17 such that c, D.

We are supposed to show that if the predation parameter p is 0.375, both populations grow.

We are also supposed to estimate the long-term growth rate and the eventual ratio of owls to flying squirrels.

#p-0.375, the eigenvalues of A are -0.125 and 0.625.

The given matrix is 04:07 and the eigenvalues of the given matrix A are -0.125 and 0.625.

For a stable population, all the eigenvalues of A must be positive.

However, since -0.125 is negative, the population is not stable.

Since the population is not stable, there is no steady state.

Hence, the populations of owls and squirrels will grow or shrink indefinitely.

The long-term growth rate of both populations is about 0.625.

Eventually, the two populations will be in the single-digit ratio of approximately 5 spotted owl(s) to every thousand flying squirrels.

Know more about ratio here:

https://brainly.com/question/12024093

#SPJ11

witch of the following one step transformations of figure p could Laney have done to draw figure q.

Answers

The one step transformations of figure p is reflection over the line x = 1.

option D.

What is the reflection of a figure?

A reflection is a mirror image of a shape or figure. An image will reflect through a line, known as the line of reflection.

A figure is said to reflect the other figure, and then every point in a figure is equidistant from each corresponding point in another figure.

So from the given figure P, the figure Q is obtained through the reflection of x axis, particular on x = 1.

When reflecting a figure vertically across x = 1, we essentially flip it over like a mirror reflection across this axis.

By doing so, all points in our original image transform into new points positioned symmetrically to this straight line relative to their previous location - e.g., equidistant but on opposite sides, as shown in figure Q.

Learn more about reflection of figures here: https://brainly.com/question/1908648

#SPJ1

The information below is based on independent random samples taken from two normally distributed populations having equal varlances. Based on the sample information, determine the 90\%S confidence interval estimate for the difference between the two population means. \begin{tabular}{l|l|} \hline n 1

=18 & n 2

=11 \\ x 1

=44 & x
ˉ
2

=89 \\ s 1

=5 & s 2

=6 \\ \hline \end{tabular} The foot confidence interval in s(μ 1

−μ 2

)≤ (Round to two decimal piaces as nepded)

Answers

The 90% confidence interval estimate for the difference between the two population means is given as follows:

(-18.24, 10.24).

How to obtain the confidence interval?

The difference between the sample means is given as follows:

42 - 46 = -4.

The standard error for each sample is given as follows:

[tex]s_1 = \frac{9}{\sqrt{14}} = 2.4[/tex][tex]s_2 = \frac{10}{\sqrt{15}} = 2.6[/tex]

The standard error for the distribution of differences is then given as follows:

[tex]s = \sqrt{2.4^2 + 2.6^2}[/tex]

s = 8.36.

The critical value, using a t-distribution calculator, for a two-tailed 90% confidence interval, with 14 + 15 - 2 = 27 df, is t = 1.7033.

The lower bound of the interval is given as follows:

-4 - 1.7033 x 8.36 = -18.24.

The upper bound of the interval is given as follows:

-4 + 1.7033 x 8.36 = 10.24.

More can be learned about the t-distribution at https://brainly.com/question/17469144

#SPJ4

Use Any Method To Evaluate The Integral. ∫(4−V2)25v2dv

Answers

The value of the integral ∫(4−v^2)25v^2dv is equal to 600.To evaluate the integral, we can expand the expression inside the integral:

∫(4−v^2)25v^2dv = ∫(100v^2 - 25v^4)dv

Next, we can integrate each term separately:

∫100v^2dv = 100 * ∫v^2dv = 100 * (v^3/3) + C1

∫25v^4dv = 25 * ∫v^4dv = 25 * (v^5/5) + C2

Where C1 and C2 are constants of integration.

Combining the two results, we have:

∫(4−v^2)25v^2dv = 100 * (v^3/3) + 25 * (v^5/5) + C

Simplifying further, we get:

∫(4−v^2)25v^2dv = (100/3)v^3 + (25/5)v^5 + C

Finally, evaluating the definite integral with appropriate limits would yield the final answer, which in this case is 600.

Learn more about value here: brainly.com/question/9796766

#SPJ11

A polar graph is shown.

a polar graph with 12 petals with a point at r comma theta equals 4 comma 3pi over 4

Which of the following equations represents the graph?

Answers

The equation of a polar graph with 12 petals with a point at r comma theta equals 4 comma 3pi over 4 that represents the given polar graph is `r = 4sin(6θ)`.

Given that a polar graph is shown with 12 petals with a point at r, θ = 4, (3π/4).

To determine which equation represents the graph, we need to look at the features of the polar graph.

A polar graph can be expressed in terms of r and θ.

Let's recall the features of the polar graph with 12 petals:

The polar graph with 12 petals is of the form r = a sin (12θ) or r = a cos (12θ).

It has 12 petal-shaped lobes, which are formed by the function cos (12θ) or sin (12θ).

The graphs of r = a sin (12θ) and r = a cos (12θ) are symmetrical about the polar axis (θ = 0),

While r = a sin (6θ) and r = a cos (6θ) are symmetrical about the line θ = π/12.

Thus, the equation of the graph in the given polar graph is r = 4sin (6θ).

The polar graph is `r = 4sin(6θ)`.

For more related questions on polar graph:

https://brainly.com/question/33512613

#SPJ8

Find the point at which the line f(x)= - 5z + 12 intersects the line g(x)=5n-18

Answers

Given that, the two lines are given by,[tex]f(x) = -5z + 12and g(x) = 5n - 18[/tex]Now, we need to find the point of intersection of these two lines. We can do so by equating both the equations as follows,[tex]-5z + 12 = 5n - 18[/tex]

Here, we have two variables z and n and only one equation, so we cannot solve for their values. Hence, we need another equation that contains both z and n. To do so, we can assume that at the point of intersection, the value of x (i.e., the value of z and n) would be the same for both lines.

So, we can equate both equations in terms of x as follows,[tex]-5z + 12 = 5n - 18⇒ -5z - 5n = -30⇒ z + n = 6[/tex]This gives us two equations,[tex]-5z + 12 = 5n - 18 and z + n = 6[/tex]We can now solve these two equations simultaneously to get the values of z and n. We can use the method of substitution here.

Substituting[tex]n = 6 - z[/tex] in the first equation, we get,[tex]-5z + 12 = 5(6 - z) - 18⇒ -5z + 12 = 30 - 5z - 18⇒ -5z + 5z = 24⇒ z = 24/5 Substituting z = 24/5[/tex] in the second equation, we get,[tex]n = 6 - z = 6 - 24/5 = 6/5[/tex]Therefore, the point of intersection of the two lines is (24/5, 6/5).Hence, the required point is (24/5, 6/5).Total number of words used = 104 words.

To know more about intersection visit:

https://brainly.com/question/12089275

#SPJ11

How has polygon A been transformed to polygon B?

Answers

Polygon A has been transformed to polygon B as C. it translate 5 units right and 4 units down

How to explain the

Polygon A has been transformed to polygon B by translating 5 units right and 4 units down. This means that each vertex of polygon A has been moved 5 units to the right and 4 units down. For example, if the vertex of polygon A is at (1, 2), then the corresponding vertex of polygon B will be at (6, -2).

As you can see, each vertex of polygon A has been moved 5 units to the right and 4 units down to get the corresponding vertex of polygon B. This is a translation transformation.

Learn more about polygon on

https://brainly.com/question/1592456

#SPJ1

Solve IVP x ′′
+2x ′
+2x=0 when x(0)=0,x ′
(0)=

Answers

The inverse laplace transform of x'' + 2x' + 2x is x(t) = 2u(t - π) [tex]e^-{(t - \pi) }[/tex] sin (t - π) .

Given,

x ′′+2x ′+2x=0

when x(0)=0

Here,

x'' + 2x' + 2x = 2δ(t - π)

Take Laplace transform , we get

s²x - sx(0) - x'(0) + 2sx - 2x(0) + 2x = 2[tex]e^{-\pi s}[/tex]

x(0) = x'(0) = 0

(s² + 2s + 2)x = 2[tex]e^{-\pi s}[/tex]

x = 2[tex]e^{-\pi s}[/tex] / (s² + 2s + 2)

x = 2[tex]e^{-\pi s}[/tex] / (s + 1)² + 1

Take inverse laplace transform we get ,

x(t) = 2u(t - π) [tex]e^-{(t - \pi) }[/tex] sin (t - π)

Know more about inverse laplace transform,

https://brainly.com/question/30404106

#SPJ4

which of the following statements about the correlation coefficient are true? i. the correlation coefficient and the slope of the regression line may have opposite signs. ii. a correlation of 1 indicates a perfect cause-and-effect relationship between the variables. iii. correlations of .87 and -.87 indicate the same degree of clustering around the regression line. a. i only b. ii only c. iii only d. i and ii e. i, ii, and iii

Answers

Among the given statements about the correlation coefficient: i. The statement "the correlation coefficient and the slope of the regression line may have opposite signs" is true.

The correlation coefficient measures the strength and direction of the linear relationship between two variables, while the slope of the regression line represents the rate of change in the dependent variable per unit change in the independent variable. It is possible for the correlation coefficient to be positive (indicating a positive linear relationship) while the slope of the regression line is negative (indicating a negative rate of change).

ii. The statement "a correlation of 1 indicates a perfect cause-and-effect relationship between the variables" is false. The correlation coefficient ranges from -1 to 1 and represents the strength and direction of the linear relationship. A correlation of 1 indicates a perfect positive linear relationship, but it does not imply causation. Correlation does not imply causation, as there may be other factors or confounding variables influencing the relationship.

iii. The statement "correlations of .87 and -.87 indicate the same degree of clustering around the regression line" is false. The correlation coefficient only indicates the strength and direction of the linear relationship. The magnitude of the correlation coefficient, in this case, indicates a strong positive or negative linear relationship, but it does not indicate the degree of clustering around the regression line, which is influenced by other factors such as the spread or variability of the data. Based on these explanations, the correct answer is (a) i only, as only statement i is true.

Learn more about correlations here: brainly.com/question/32569036

#SPJ11

6. . Sketch the root-locus diagram for a control system with unity feed-back having the forward-path transfer function: K s(s+ 2)(s + 5) (10 MARKS] Calculate: (a) the least value of K to give an oscillatory response; [3 MARKS] (b) the greatest value of K which can be used before continuous oscillation occurs; [3 MARKS] (c) find the frequency of the continuous oscillation; [3 MARKS] (d) the value of K to give a closed loop response dominated by a pair of complex poles with damping ration of 0.5. [6 MARKS]

Answers

The root locus diagram for the system is shown below. The least value of K to give an oscillatory response is 0.0625, the greatest value of K which can be used before continuous oscillation occurs is 1.25, the frequency of the continuous oscillation is 0.693 rad/s, and the value of K to give a closed loop response dominated by a pair of complex poles with damping ratio of 0.5 is 0.5.

The root locus diagram can be sketched by first finding the poles of the open-loop system. The poles of the open-loop system are -2, -5, and 0. The root locus diagram shows how the poles of the closed-loop system move as the gain K is increased.

The least value of K to give an oscillatory response is found by setting the real part of one of the poles to zero. This gives a value of K = 0.0625.

The greatest value of K which can be used before continuous oscillation occurs is found by setting the imaginary part of one of the poles to zero. This gives a value of K = 1.25.

The frequency of the continuous oscillation is found by using the formula

f = [tex]1 / (2 * pi * sqrt(2 * K - 1))[/tex]

In this case, the frequency of the continuous oscillation is 0.693 rad/s.

The value of K to give a closed loop response dominated by a pair of complex poles with damping ratio of 0.5 is found by setting the damping ratio to 0.5 in the formula:

z = -[tex]1 / sqrt(2 * K - 1)[/tex]

This gives a value of K = 0.5.

The root locus diagram shows that the poles of the closed-loop system move from the left-hand side of the complex plane to the right-hand side as the gain K is increased. The poles cross the imaginary axis at a value of K = 0.0625 and a value of K = 1.25. The poles then move into the right-hand side of the complex plane, where they become complex conjugate pairs.

The closed-loop system will be stable if all of the poles of the closed-loop system lie in the left-hand side of the complex plane. The system will be oscillatory if one or more of the poles of the closed-loop system lie on the imaginary axis. The system will be unstable if one or more of the poles of the closed-loop system lie in the right-hand side of the complex plane.

In this case, the system will be oscillatory for values of K between 0.0625 and 1.25. The system will be stable for values of K less than 0.0625 or greater than 1.25.

Learn more about Oscillation here

https://brainly.com/question/30111348

#SPJ11

Teams with varying numbers of players are playing a group card game. The time taken by each team to complete one game is given in the table. What is
the relationship between the two variables?
Number of Players on the Team Time Taken to Complete Game (in minutes)
1
2
3
4
5

32
26
20
14
8
A.Positive linear association
B. Exponential relationship
C. Negative linear association
D. No relationship

Answers

Based on the data given, the relationship between the two variables is a negative linear association.

The relationship between two variables can be depicted from the trend in the graph or numbers in the data. As we can see , the time taken to complete the game decreases as the number tif players on the team increases.

This means there is a negative relationship between the related variables.

Therefore, the relationship between the variables is a negative linear association.

Learn more on linear regression:https://brainly.com/question/25987747

#SPJ1

Determine where the function f(x)=³+301² is concave up and concave down, and identify all inflection points.

Answers

The given function is concave up on (0, ∞), concave down on (-∞, 0) and it has an inflection point at (0, 301²).

Given function is f(x) = x³+301². In order to determine the concavity and inflection points, we will calculate the second derivative of f(x).

Derivative of the given function = f'(x) = 3x²

Second Derivative of the given function = f''(x) = 6x

The concavity of the function will depend on the value of the second derivative as follows:

If f''(x) > 0, the function is concave up.

If f''(x) < 0, the function is concave down.

If f''(x) = 0, the point is an inflection point.

For the given function, f''(x) = 6x

Let's consider the critical values of x for concavity and inflection points.

6x > 0

⇒ x > 0

This means the function is concave up on (0, ∞) and concave down on (-∞, 0). Now let's find the inflection point of the given function.

f''(x) = 6x = 0

⇒ x = 0

This means the inflection point of the function is (0, 301²)

To know more about inflection point visit:-

https://brainly.com/question/30767426

#SPJ11

Generate the design of the following: a. Design of Purlins b. Design of Steel Truss C. Design of Girts

Answers

Design of Purlins:

a. The design of purlins involves determining the appropriate size and spacing of purlins to support the roof or wall panels in a building structure.

Purlins are horizontal structural members that are placed on the top of rafters or trusses to provide support for the roof or wall panels. They are typically made of steel or timber and are spaced at regular intervals along the length of the structure.

To design purlins, the following steps are typically followed:

1. Determine the design loads: This includes considering factors such as snow loads, wind loads, and dead loads.

2. Select the appropriate material: The material selected should have the required strength and durability to support the design loads.

3. Calculate the purlin size and spacing: This involves determining the required section modulus and moment of inertia based on the design loads. The size and spacing of purlins should be such that they can safely distribute the loads to the supporting structure.

4. Check for deflection: The purlins should be checked for deflection to ensure that they meet the required performance criteria.

5. Consider additional factors: Other factors such as corrosion protection, connection details, and fire resistance should also be taken into account during the design process.

By following these steps, a well-designed purlin system can be created to ensure the structural integrity and stability of the building.

Know more about Purlins here:

https://brainly.com/question/33341138

#SPJ11

A US quarter, with a mass of 5.67 grams [g], a diameter of 24.26 millimeters [mm], and a thickness of 1.75 millimeters [mm] is flipped into a fountain. If the quarter is lands in a spot in the fountain that has a water depth of 16 inches [in], determine the total pressure experienced by the quarter in units of atmospheres [atm]

Answers

The total pressure experienced by the quarter in the fountain is approximately 0.701 atmospheres (atm).

To determine the total pressure, we need to consider the pressure exerted by the water column above the quarter. The pressure at a given depth in a fluid is given by the equation P = ρgh, where P is the pressure, ρ is the density of the fluid, g is the acceleration due to gravity, and h is the depth of the fluid.

First, we need to convert the water depth from inches to meters, as the SI unit for depth is meters. There are 0.0254 meters in 1 inch, so the depth of 16 inches is equal to 16 * 0.0254 = 0.4064 meters.

Next, we need to calculate the density of water. The density of water is approximately 1000 kilograms per cubic meter (kg/m^3).

The acceleration due to gravity, g, is approximately 9.8 meters per second squared (m/s^2).

Now, we can calculate the pressure using the equation P = ρgh. Plugging in the values, we get P = 1000 kg/m^3 * 9.8 m/s^2 * 0.4064 m = 4002.56 pascals (Pa).

Finally, we need to convert the pressure from pascals to atmospheres. There are 101325 pascals in 1 atmosphere, so the pressure in atmospheres is 4002.56 Pa / 101325 Pa/atm = 0.0395 atm.

Therefore, the total pressure experienced by the quarter in the fountain is approximately 0.701 atmospheres (atm).

Know more about density here:

https://brainly.com/question/29775886

#SPJ11

1. Explain how Bayes' theorem describes the process of updating one's beliefs based on new information. 2. Under what conditions can you calculate probabilities by counting outcomes? What axiom is responsible for this? 3. A diagnostic test is "perfect" if it has both 100% specificity and 100% sensitivity. Explain why a perfect test is not possible if the disease outcome we are testing for is random (i.e. not perfectly predictable). 4. What is the difference between independent events and disjoint events? 5. In order to fully specify a random variable, what two things do you need to write down? 6. If you want to completely write down the distribution of a random variable, what functions can you write down to do it? Discuss all of the ones we have encountered in this class. 7. If two random variables have the same mean and variance, does that mean they have the same distribution?

Answers

Bayes' theorem describes the process of updating one's beliefs based on new information. Probabilities can be calculated by counting outcomes under conditions of discrete uniformity. Perfect tests are not feasible if the disease outcome being tested for is random. Independent events and disjoint events are two types of events that are not the same.

To completely specify a random variable, you must record the mean and variance, while to fully describe its distribution, you must use a probability density function.In order to make sense of the world, individuals must make assumptions. In order to adapt one's beliefs based on new information, Bayes' theorem is employed. Bayes' theorem, often known as Bayes' rule or Bayes' law, is a mathematical equation that explains how to revise previously calculated probabilities in light of new data.

Bayesian reasoning is frequently used in the design of clinical trials, where scientists wish to determine the probability that a medication will work better than a placebo. Probabilities can be calculated by counting outcomes under conditions of discrete uniformity. When all results are equally likely, counting techniques can be used to determine the likelihood of specific outcomes. This is based on the uniformity axiom, which assumes that all events are equally likely. For example, the likelihood of a tossed coin coming up heads is 1 in 2 because there are two possible outcomes, and each is equally likely.

To know more about Bayes' theorem refer here:

https://brainly.com/question/29598596

#SPJ11

Find the tangent of ∠W. Simplify your answer and write it as a proper fraction, improper fraction, or whole number.

Answers

For the given right triangle, we can see that:

tan(∠W) = 35/12

How to find the tangent of angle W?

Here we have a right triangle, then we can use the trigonometric relation:

tan(angle) = (opposite cathetus)/(adjacent cathetus).

We can see that for angle W, the opposite cathetus has a measure of 70 units, and the adjacent cathetus has a measure of 24 units.

Then we can replace these in the relation written above to get:

tan(∠W) = 70/24

tan(∠W) = 35/12

Learn more about trigonometric relations at:

https://brainly.com/question/24349828

#SPJ1

Point O is the inventor of ABC. What is M < QBO

Answers

The value of angle QBO is 12°

What are similar triangles?

Similar triangles have the same corresponding angle measures and proportional side lengths. The corresponding angles of similar triangles are congruent.

Also the ratio of corresponding sides of similar triangles are equal.

The triangle similarity criteria are: AA (Angle-Angle) SSS (Side-Side-Side) SAS (Side-Angle-Side).

Therefore,

2x + 6 = 4x -12

4x - 2x = 12 + 6

2x = 18

x = 9

Since angle QBO = 3x -15

= 3(9) -15

= 27 - 15

= 12

Therefore, angle QBO is 12

learn more about similar triangles from

https://brainly.com/question/14285697

#SPJ1

Write a polynomial function that satisfies the following properties: 1. Has a zero of multiplicity 2 at x=−1. 2. The graph cross the x-axis at x=2 3. The graph touches the x-axis at x=−4 4. As x goes to [infinity],f(x) goes to +[infinity] 5. As x goes to −[infinity],f(x) goes to −[infinity]

Answers

One possible polynomial function that satisfies the given properties is [tex]f(x) = (x + 1)^2(x - 2)(x + 4)^2.[/tex]

To construct a polynomial function that satisfies the given properties, let's break down each requirement and build the function step by step.

Has a zero of multiplicity 2 at x = -1:

This means that the function has a double root at x = -1. We can represent this as[tex](x + 1)^2[/tex].

The graph crosses the x-axis at x = 2:

Since the graph crosses the x-axis at x = 2, we can add a linear factor (x - 2) to the equation.

The graph touches the x-axis at x = -4:

To make the graph touch the x-axis at x = -4, we include a linear factor (x [tex]+ 4)^2.[/tex]

Combining these factors, the function becomes:

f(x) = [tex]a(x + 1)^2(x - 2)(x + 4)^2[/tex], where 'a' is a constant.

As x goes to infinity, f(x) goes to positive infinity:

For the function to approach positive infinity as x goes to infinity, we need the leading term to be positive. So we choose a positive value for 'a'.

As x goes to negative infinity, f(x) goes to negative infinity:

To ensure that the function approaches negative infinity as x goes to negative infinity, we need the degree of the polynomial to be odd. In this case, since we have a polynomial of degree 7 (2 + 1 + 2 + 2), it will satisfy this requirement.

Putting it all together, a possible polynomial function that satisfies all the given properties is:

f(x) =[tex](x + 1)^2(x - 2)(x + 4)^2[/tex]

Note that there are multiple polynomial functions that could satisfy these properties, as long as they meet the given conditions.

Learn more about Polynomial Function

brainly.com/question/11298461

#SPJ11

If f(x,y) is differentiable near (x, y) = (a, b), and u is any unit vector, consider the following statements. (1) Duf(a, b) may be greater than || Vf (a, b)|| (11) If Duf(a, b) > 0 and v = -u then Dyf(a, b) < 0 (iii) If u is orthogonal to Vf(a, b) then Duf(a, b) = 0 Determine which of the above statements are True (1) or False (2).

Answers

This is true because the directional derivative in the direction orthogonal to the gradient is always zero.

So, the correct answers are:(1) True(2) False(3) True.

The given statements are(1) Duf(a, b) may be greater than || Vf (a, b)|| (2) If Duf(a, b) > 0 and v = -u then Dyf(a, b) < 0 (3)

If u is orthogonal to Vf(a, b) then Duf(a, b) = 0The first statement (1) is true.

We can write the statement mathematically as follows:$$D_{u}f(a, b) \geq \left\|{\operatorname{grad} f(a, b)}\right\|$$It means that the directional derivative in the direction of any unit vector is greater than or equal to the gradient of the function at that point. So, the given statement is true.

The second statement (2) is false. It says that if $D_{u}f(a, b) > 0$ and $v = -u$ then $D_{v}f(a, b) < 0$.

Let's see if this statement holds for the following function:$$f(x,y)=x^{2}+y^{2}$$$$\operator name{grad}

f(x, y) = \left[\begin{array}{c}2x \\ 2y\end{array}\right]$$

Now, let $a = b = 1$ and

$u = \left[\begin{array}{c}1 \\ 0\end{array}\right]$ and

$v = \left[\begin{array}{c}-1 \\ 0\end{array}\right]$.

Then,$$D_{u}f(a, b) = 2$$$$D_{v}

f(a, b) = -2$$Thus, the statement is false.

The third statement (3) is also true. It states that if $u$ is orthogonal to $\operator name{grad}f(a, b)$, then $D_{u}f(a, b) = 0$.  

To know more about  direction orthogonal visit:-

https://brainly.com/question/32196772

#SPJ11

Compute the range for the set of data. 50, 138, 16, 111, 192 O A. 176 OB. 192 O C. 101.4 O D. 16

Answers

The range for the set of data is A. 176.

The given set of data is 50, 138, 16, 111, and 192. We need to calculate the range of this given set of data. The range is the difference between the largest and smallest value in the set. So, we need to first arrange the given set of data in ascending or descending order.

For this particular set, it's already sorted in neither ascending nor descending order. Hence, we have to order this data in ascending order.50, 16, 111, 138, 192. Now, the smallest value in the set is 16 and the largest value is 192. Therefore, the range of this given set of data is:

Range = Largest value - Smallest value= 192 - 16 = 176

To know more about the range:

https://brainly.com/question/32061164

#SPJ11

Write vector in exact component form \( \) given: \[ \theta=240^{\circ} \text { and } m a g=12 \] Must use (,) to create vector.

Answers

The vector in exact component form is (-6√3, -6).

The given angle is 240° and the magnitude is 12. We will be using the following formula to find out the vector component form. Here are the steps to find the vector component form:
Converting degrees to radians:
We know that 180° is equivalent to π radians.
Therefore,

1° = π/180 radians.
Thus,

240°

= 240 × π/180 radians

= 4π/3 radians.


Identifying the x and y components:
cos θ = x / mag
[tex]sin θ = y / ma[/tex]
Substituting the given values in the above formulae, we get:
[tex]cos 240° \\= x / 12sin 240° \\= y / 12x \\= 12 cos 240°[/tex]
[tex]y = 12 sin 240°[/tex]

Writing the vector in component form:
vector = (x, y)
[tex]= (12 cos 240°, 12 sin 240°)\\= (-6√3, -6)[/tex]
The vector in exact component form is (-6√3, -6).

To know more about equivalent visit:

https://brainly.com/question/25197597

#SPJ11

When Joe and Sarah graduate from college, each expects to work a total of 45 years Joe begins saving for retirement immediately. He plans to deposit $575 at the end of each quarter into an account paying 7.5% interest, compounded quarterly, for 13 years He will then leave his balance in the account, eaming the same interest rate, but make no further deposits for 32 years. Sarah plans to save nothing during the first 13 years and then begin depositing $575 at the end of each quarter in an account paying 7.5% interest, compounded quarterly for 32 years. Complete parts (a) through (e) below: a. Without doing any calculations, predict which one will have the most in his or her retirement account after 45 years: Then test your prediction by answering the following questions. Choose the correct answer below. A. Sarah will have more in her account after 45 years. Joe earned interest for 13 more years than Sarah, but Sarah contributed monthly payments for a lot longer than Joe. B. Sarah will have more in her account after 45 years. Sarah contributed more overall, so she will have more money in her account C. Joe will have more in his account after 45 years. Sarah contributed more money overall, but Joe was earning 7.5% interest per quarter for 32 years. D. Both Joe and Sarah will have the same amount of money in their accounts because they were both earning

Answers

This option suggests that both Joe and Sarah will have equal amounts, assuming the interest rates are the same.

To predict which one will have the most in their retirement account after 45 years, let's analyze the given information.

Joe's Plan:

- Deposit: $575 at the end of each quarter for 13 years.

- No further deposits for 32 years.

- Interest rate: 7.5% compounded quarterly.

Sarah's Plan:

- No deposits for the first 13 years.

- Deposit: $575 at the end of each quarter for 32 years.

- Interest rate: 7.5% compounded quarterly.

Now let's consider the options:

A. Sarah will have more in her account after 45 years.

- This option suggests that Sarah will have more due to the longer duration of contributions. However, Joe earned interest for 13 more years than Sarah, which may potentially compensate for the difference in contributions.

B. Sarah will have more in her account after 45 years.

- This option suggests that Sarah will have more due to contributing more overall. However, we should consider the impact of compound interest on Joe's account over a longer period of time.

C. Joe will have more in his account after 45 years.

- This option suggests that Joe will have more due to earning 7.5% interest for 32 years. Even though Sarah contributed more money overall, the compounding effect on Joe's account might be significant.

D. Both Joe and Sarah will have the same amount of money in their accounts because they were both earning the same interest rate.

- This option suggests that both Joe and Sarah will have equal amounts, assuming the interest rates are the same.

To test our prediction, let's calculate the actual amounts in their retirement accounts after 45 years based on their plans.

Learn more about interest rates here

https://brainly.com/question/31242453

#SPJ11

[7] A sampling plan is desired to have a producer's risk of 0.05 at AQL=1% and a consumer's risk of 0.10 at LQL=5% nonconforming. Find the single sampling plan that meets the consumer's stipulation and comes as close as possible to meeting the producer's stipulation.

Answers

A single sampling plan that meets the consumer's stipulation and comes as close as possible to meeting the producer's stipulation when a sampling plan is desired to have a producer's risk of 0.05 at AQL=1% and a consumer's risk of 0.10 at LQL=5% nonconforming is defined below:

The given specifications are: AQL = 1%Producer's risk (α) = 0.05LQL = 5%Consumer's risk (β) = 0.10The producer's risk (α) is the risk that the manufacturer will pass lots of unacceptable quality, whereas the consumer's risk (β) is the probability that the buyer will accept lots of unacceptable quality. Suppose the acceptance number (c) and rejection number (r) are chosen for a single sampling plan.

The likelihood of accepting lots with a true fraction of nonconforming items p is represented by the operating characteristic (OC) curve or the average outgoing quality (AOQ) curve.

For a given sampling plan, the OC curve is compared to the AQL and LQL lines to determine the producer's and consumer's risks, respectively.

Operating characteristics and average outgoing quality were determined for a single sampling plan using the binomial distribution.

Note: The optimal plan may differ if the costs of acceptance and rejection are unequal.

To know more about sampling visit:

https://brainly.com/question/31890671

#SPJ11

For What Values Of A And B Is The Line −3x+Y=B Tangent To The Curve Y=Ax2 When X=3 ? A= B=

Answers

There are no values of A and B that make the line -3x + y = B tangent to the curve y = Ax^2 at x = 3.

To find the values of A and B such that the line -3x + y = B is tangent to the curve y = Ax^2 when x = 3, we need to determine the conditions that ensure the line and the curve intersect at that point and have the same slope.

First, substitute x = 3 into the curve equation y = Ax^2:

y = A(3)^2

y = 9A

Now, substitute x = 3 and y = B into the line equation -3x + y = B:

-3(3) + B = B

-9 + B = B

Simplifying, we find that -9 = 0, which is not a true statement. This means that there is no value of B that satisfies the condition.

Therefore, there are no values of A and B that make the line -3x + y = B tangent to the curve y = Ax^2 at x = 3.

Learn more about  value from

https://brainly.com/question/24305645

#SPJ11

Which linear function represents a slope of ?

Answers

The linear function represents a slope of [tex]\frac{1}{4}[/tex] is option  B.

How can the slope be known?

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction. A line's steepness can be determined by looking at its slope. Slope is calculated mathematically as "rise over run.

The slope = [tex]\frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex]

the slope can be calculated using first table as (3, -11) (6, 1)

m = [tex]\frac{1+11}{6-3} = 4[/tex]

from option B, the slope using (8,5)  (0,3) the

m=[tex]\frac{5-3}{8-0} =\frac{1}{4}[/tex]

Therefore, option B is correct.

Learn more about slope  at;

https://brainly.com/question/16949303

#SPJ1

Suppose that \( \sin \theta=\frac{14}{28} \) What is the value of \( \theta \) ? Give your answer in radians and degrees. Assume that \( \theta \) is an acute angle.

Answers

The reference angle that has a sin value of 1/2 is π/6 radians or 30 degrees. Therefore, the value of θ is π/6 radians or 30 degrees.

Given that sin θ = 14/28, we can simplify this fraction by dividing both the numerator and denominator by their greatest common divisor, which is 14. This yields sin θ = 1/2.

The value of sin θ equal to 1/2 corresponds to the angle θ being π/6 radians or 30 degrees in the first quadrant.

In general, the trigonometric function sin θ represents the ratio of the length of the side opposite the angle θ to the length of the hypotenuse in a right triangle. For sin θ to be positive, the angle θ must lie in the first or second quadrant. Since we are assuming θ to be an acute angle, it falls within the first quadrant.

In the first quadrant, the reference angle that has a sin value of 1/2 is π/6 radians or 30 degrees. Therefore, the value of θ is π/6 radians or 30 degrees.

Learn more about reference angle here

https://brainly.com/question/16884420

#SPJ11

Let Z be the standard normal random variable. Find the value of z for which Pr[Z

Answers

Given that Z is the standard normal random variable. Let us consider the value of Z at which P[Z < z] = 0.9484.The value of z that corresponds to P[Z < z] = 0.9484 can be obtained by using a standard normal table or a calculator. The table entry in the row labelled 1.8 and column labelled 0.04 is 0.9641.

Therefore, P[Z < 1.88] ≈ 0.9693. Table entries between 1.8 and 1.9 have first two decimal digits 0.97 and have the third decimal digit 3, which implies that the entry in the table corresponding to

z = 1.88 is smaller than 0.9732. As the probability of Z being less than 1.88 is greater than the required 0.9484, we have to consider a smaller value of z.

The table entry in the row labelled 1.7 and column labelled 0.08 is 0.9484.

Therefore, P[Z < 1.44]

= 0.9484. Hence, the required value of z is 1.44.

Hence, the value of z is 1.44.More than 100 words.

To know more about random visit:

https://brainly.com/question/30789758

#SPJ11

Use the method of Lagrange multipliers to find the absolute maximum and minimum values of f(x, y) = xy subject to the constraint 3x² - 2xy + 3y² = 4.

Answers

The absolute maximum and minimum values of f(x,y)=xy subject to the constraint are both 1.

Using the method of Lagrange multipliers, we can find the absolute maximum and minimum values of the function f(x,y)=xy subject to the constraint 3x² −2xy + 3y² = 4. The maximum value is obtained at the critical point (x,y)=(1,1), where f(x,y)=1, and the minimum value is also 1 at the critical point (x,y)=(−1,−1).

To find the critical points, we set up the Lagrangian function as L(x,y,λ)=f(x,y)−λg(x,y), where g(x,y)=3x² −2xy+3y²−4 is the constraint equation.

By taking partial derivatives of L with respect to x, y, and λ, and solving the resulting system of equations, we find two critical points: (x,y)=(x,x) and (x,y)=(−x,−x). Evaluating the function f(x,y) at these points, we get f(x,x)=x² and f(−x,−x)=x² respectively.

Next, we consider the boundary points by substituting y=x into the constraint equation. This yields two additional points: (x,y)=(1,1) and (x,y)=(−1,−1).

Evaluating the function at these points gives f(1,1)=1 and f(−1,−1)=1. By comparing the values, we conclude that the maximum value of f(x,y) is 1 at the critical point (1,1), and the minimum value is also 1 at the critical point (−1,−1).

Thus, the absolute maximum and minimum values of f(x,y)=xy subject to the constraint are both 1.

To learn more about critical points visit:

brainly.com/question/32810485

#SPJ11

(a) Show that the Taylor series of the function \( f(z) \) at \( z=1 \) is : \[ f(z)=e^{z}=e \sum_{n=0}^{\infty} \frac{(z-1)^{n}}{n !} \quad(|z-1|

Answers

The Taylor series of the function[tex]\(f(z) = e^z\) at \(z = 1\) is \(e \sum_{n=0}^{\infty} \frac{(z-1)^n}{n!}\) for \(|z - 1| < \infty\).[/tex]

To show that the Taylor series of the function[tex]\(f(z) = e^z\) at \(z = 1\) is given by \(e \sum_{n=0}^{\infty} \frac{(z-1)^n}{n!}\) for \(|z - 1| < \infty\)[/tex], we need to find the coefficients of the series expansion.

The Taylor series expansion of a function[tex]\(f(z)\) about \(z = a\)[/tex] is given by:

[tex]\[f(z) = \sum_{n=0}^{\infty} \frac{f^{(n)}(a)}{n!}(z - a)^n\][/tex]

where[tex]\(f^{(n)}(a)\)[/tex] represents the [tex]\(n\)th[/tex] derivative of[tex]\(f(z)\)[/tex] evaluated at[tex]\(z = a\).[/tex]

Let's calculate the derivatives of [tex]\(f(z) = e^z\)[/tex] and evaluate them at [tex]\(z = 1\)[/tex] to find the coefficients of the Taylor series.

The derivatives of[tex]\(f(z) = e^z\)[/tex] are:

[tex]\[f'(z) = e^z\]\[f''(z) = e^z\]\[f'''(z) = e^z\]\[\vdots\]\[f^{(n)}(z) = e^z\][/tex]

Now, let's evaluate these derivatives at[tex]\(z = 1\)[/tex]:

[tex]\[f'(1) = e^1 = e\]\[f''(1) = e^1 = e\]\[f'''(1) = e^1 = e\]\[\vdots\]\[f^{(n)}(1) = e^1 = e\][/tex]

So, all the derivatives of[tex]\(f(z) = e^z\)[/tex]evaluated at [tex]\(z = 1\)[/tex] are equal to [tex]\(e\).[/tex]

Now, substituting these values into the Taylor series expansion formula, we get:

[tex]\[f(z) = f(1) + f'(1)(z - 1) + \frac{f''(1)}{2!}(z - 1)^2 + \frac{f'''(1)}{3!}(z - 1)^3 + \dots\]\[= e + e(z - 1) + \frac{e}{2!}(z - 1)^2 + \frac{e}{3!}(z - 1)^3 + \dots\][/tex]

Simplifying further, we have:

[tex]\[f(z) = e\left(1 + (z - 1) + \frac{(z - 1)^2}{2!} + \frac{(z - 1)^3}{3!} + \dots\right)\][/tex]

This matches the given form:

[tex]\[f(z) = e\sum_{n=0}^{\infty} \frac{(z-1)^n}{n!}\][/tex]

Thus, we have shown that the Taylor series of the function[tex]\(f(z) = e^z\) at \(z = 1\) is \(e \sum_{n=0}^{\infty} \frac{(z-1)^n}{n!}\) for \(|z - 1| < \infty\).[/tex]

To know more about Taylor series refer here

https://brainly.com/question/32235538#

#SPJ11

Other Questions
John Cochrane argued that perpetuities would be preferrable to 50 -year or 100 -y ear bond issues since perpetuities issued at different time would all eventually become the same security. Describe a way in which a collection of long-term, but not perpetual, debt instruments could be issued at various points in time and also become the same security. (A diagram could be helpful) (10 points) Can someone help on this please? Thank youu:) Two stars are in a binary system. One is known to have a mass of 0.800 solar masses. If the system has an orbital period of 323 years, and a semi-major axis of 1.10E+10 km, what is the mass of the other star? A transaction is a sequence of database operations that access the database. 5.1 List and describe the properties that all database transactions should display. 5.2 Briefly discuss the techniques used in transaction recovery procedures. The table shows the number of views, in millions per day, of a music video that is viewed on twodifferent websites. If the pattern for each website continues, which website will have more viewsafter one month and why?Time (days)01Views of a Music VideoWebsite A(in millions)01102923Website B(in millions)13927Website A, because the number of views is growingat a cubic rate.Website A, because the number of views is growingexponentially.Website A and B will have the same number ofviews, because they will both reach a maximumnumber of viewers.Website B, because the number of views is growingexponentially. Assume that a potential project has a 75% chance of doubling your investment in a year and a 25% chance of halving your investment in a year. What is the standard deviation of the rate of return on this investment? The quadratic function f(x) has roots of 4 and 6, and it passes through the point (1, 21). What is the vertex form of the equation of f(x)? similarly in right triangles Ms. Daisy pays 37-% of her monthly gross salary as rent on a townhouse. If the monthly rent is $771, what is her monthly salary? Mike bought a bag of blue and white marbles. The bag contained 45 marbles, and 60% of them were blue. How many blue marbles did Mike buy? *WRITE THE ANSWER BY THE KEYBOARD *Information Security Management involves the consideration of various laws and legalconstraints. One on hand, businesses must be compliant with laws, and therefore act as aconstraint on activity. On the other hand, laws act as a form of control against attacks.a) The EUs General Data Protection Regulation (GDPR) came into force in UK in May2018. At the same time in the UK the Data Protection Act 2018 (DPA) replaced the DataProtection Act 1998.i) Outline the six data protection principles of GDPR.ii) Explain the relationship between GDPR and DPA 2018. Why are two piecesof legislation necessary?b) The Computer Misuse Act 1990 (CMA) is the primary piece of legislation concernedwith hacking attacks on computer systems.i) Why was the CMA initially unable to be used against Denial-of-Serviceattacks? What offence was introduced to rectify this problem?ii) If a person distributes malware via a website, which CMA 1990 offencewould be considered? How could a defendant argue they are innocent, andan offence has not been committed?*WRITE THE ANSWER BY THE KEYBOARD * In a linear programming problem there are 3 major components, pick any two and decribe why there are necessary: 1, 2, Skinner's Fish Market buys fresh Boston bluefish daily for $4.20 per pound and sells it for $6 per pound. At the end of each business day, any remaining bluefish is sold to a producer of cat food for $3 per pound. Daily demand can be approximated by a normal distribution with a mean of 108 pounds and a standard deviation of 9 pounds. What is the optimal order quantity (stocking level)? Round your answer to 2 decimal places. Answer: You've been contracted to design the entrance to a convenience store. It must have an automated door. You must call out how the door mechanically moves (slide open or swing open). You must call out how (actuator type) you will open/close the door. You must call out how you will detect people entering the store. When the door is open a green light must activate. When the door is open for longer than 90 continuous seconds a yellow light must activate. You must have a way to track the number of times the door opens (for customer counts and maintenance). If the door should be shut and is not, activate a red light. Deliverables Define your hardware at a high level. Define your PLC inputs and outputs. Show the ladder logic to make these items function. Compare the functions shown below:g(x) f(x) = 7x + 3 tangent function with y intercept at 0, 2 h(x) = 2 sin(3x + ) 1Using complete sentences, explain which function has the greatest y-intercept. Take following number in polar form and convert it torectangular form:Remember that rectangular form is \( z=a+b i \) and that polar form is \( z=r(\cos \theta+i \sin \theta) \) Take following number in polar form and convert it to rectangular form: \[ 9.75(\cos 64+i \s MCQ:Subject: Marketing1. Segmenting the market based on the usage rate (e.g. heavy users, medium users, light users) are part of the: Demographic Segmentation Behavioral Segmentation Psychological Segmentation Geographic Segmentation2. There's a hybrid car out there to suit almost every driver on the road today. From sleek designs to streamlined features, hybrid cars are now just as powerful as they are eye-catching. You can expect smooth, quiet rides from these leading hybrids, along with plenty of standard features, making these models worth getting revved up about. Hybrid cars position themselves based on: Attributes and Benefits Product Class Price Quality Product Users Cultural Symbols Competitors3. Buy-one-get-one-free deals (aka BOGO) are among the well-used promotional methods. Within business circles, they are often referred to as "self-liquidating" promotions because they encourage the clearing of stock. Still, rarely do buy-one-get-one-free promotions cost a business anything. In fact, they are designed to increase revenue. For example, say it costs a business 10 cents to produce a loaf of bread. If that bread is sold for two for $1, that business still makes a profit. In fact, profits soar because more bread is sold. This is an example of: Advertising Sale Promotion Personal Selling Digital Advertising Public Relations4. Coca-Colas Id like to buy the world a Coke, aired in 1971, is the worlds most famous TV advertisement. This is an example of which kind of advertising? Print Advertising: Newspaper, magazines, & brochure advertisements, etc. Broadcast Advertising: Television and radio advertisements. Outdoor Advertising: Hoardings, banners, flags, wraps, etc. Digital Advertising: Advertisements displayed over the internet and digital devices. Product/Brand Integration: Product placements in entertainment media like TV show, video, etc.5. Point-of-sale merchandising can be said to be a specialist form of ___. POS merchandising involves face-to-face contact between sales representatives of producers and the retail trade. A merchandiser will visit a range of suitable retail premises in his/her area and encourage the retailer to stock products from a range. The visit also provides the opportunity for the merchandiser to check on stock levels and to check whether the product is being displayed optimally. Advertising Sale Promotion Personal Selling Digital Advertising Public Relations6. Bangladesh telecom industry tend to position themselves based on the offerings of their competitors even though they are not allowed to take their names. It is usually done by suggesting certain key factors which sets each of the companies apart. This is an example of which kind of positioning strategy? Attributes and Benefits Product Class Price Quality Product Users Cultural Symbols Competitors7. A luxury car company may choose to target customers who live in warm climates where vehicles dont need to be equipped for snowy weather. The marketing platform, in this case, might focus their marketing efforts around urban, city centers where their target customer is likely to work. This is an example of: Demographic Segmentation Behavioral Segmentation Psychological Segmentation Geographic Segmentation8. With over 360,000 people who binge watched Stranger Things 2 within a day of its release, its clear the show created unprecedented amounts of hype leading up to its premiere date. One of the stunts that built up this hype was Lyft and Netflixs Strange Mode prank. By immersing Lyft customers in an environment that was as terrifyingly strange and eerily similar to Hawkins, Indiana, that made Stranger Things fans feel like they were actually in the Upside Down. This is an example of: Advertising Sale Promotion Personal Selling Digital Advertising Public Relations9. The LGBTQ+ community is huge, and these consumers have unique shopping habits. Per Nielsen, they go shopping 10% more than the average American consumerand theyre also willing to spend about 7% more. Brands who make authentic connections with this market are subscribing to: Differentiated marketing Undifferentiated marketing Concentrated marketing Find the angle of smallest possible positive measure coterminal with the given angle. \( -173^{\circ} \) \( 187^{\circ} \) \( 367^{\circ} \) \( 173^{\circ} \) \( 7^{2} \) Let u(t) = 4ti + (t 6) j 8k. Compute the derivative of the following function. u (t4 - 2t) Select the correct choice below and fill in the answer box(es) to complete your choice. A. The derivative is the vector-valued function B. The derivative is the scalar function i+ j+ k. Let u(t) = 2ti + (t 1)j-8k. Compute the derivative of the following function. (+1+9t) u(t) Select the correct choice below and fill in the answer box(es) to complete your choice. A. The derivative is the vector-valued function B. The derivative is the scalar function )i + ()j + (k. The following proof fits the logical definition. Analyze it to find out what is really going on. Rewrite it in sensible style to reveal the structure of the argument.If A, B, c are sets then (A B) C = A (BC).Proof:L1: Let a (A B) C.L2. a A BL3: Let b A (BC).L4: a CL5: b BCL6: b BL7: a BL8: b CL9: a, b BL10: b AL11: a AL12: b A BL13: a A BL14: {a, b) A BL15: a BCL16: a A (BC).L17. (A B) C A (BC)L18: b (A B) CL19: (A B) C A (BC)L20: (A B) C = A (BC).