Suppose the Volume of a cube is 27 cubic centimeters. What would be its new volume if
one of its dimensions was quadrupled, a second dimension was halved, and a third
dimension did not change?

Answers

Answer 1

If one dimension was quadrupled, second dimension was halved and third dimension did not change, the volume of a cube would be changed by 27 cubic centimeters to 54 cubic centimeters.

First we identify the original dimensions of the cube. It is given that volume of the cube is 27 cubic centimeters, each side of the cube will be 3 centimeters (3x3x3=27).

According to the question:

One dimension was quadrupled: 3 x 4 = 12cm

Second dimension was halved: 3 / 2 = 1.5cm

Third dimension did not change: 3cm

So, new dimensions are 12cm x 1.5cm x 3 cm

To find the new volume, we will use the formula:

V = product of dimensions

12 cm x 1.5 cm x 3 cm = 54 cubic centimeters

Therefore, the new volume of the cube would be 54 cubic centimeters.

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Related Questions

suppose a population has mean 47. we create a sampling distribution for the mean using groups of size 30. what will be the expected mean of the sampling distribution?

Answers

The expected mean of the sampling distribution, with groups of size 30, will also be 47. This is because the Central Limit Theorem states that as sample size increases.

The sampling distribution of the mean approaches a normal distribution with a mean equal to the population mean. Therefore, with a large enough sample size of 30, the expected mean of the sampling distribution will be the same as the population mean of 47.
Given that the population has a mean of 47, when creating a sampling distribution for the mean using groups of size 30, the expected mean of the sampling distribution will be the same as the population mean. The expected mean of the sampling distribution with groups of size 30 will be 47.

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which system of inequalities does the graph represent? a. 2x 3y 4 and x 2y 3 b. 2x 3y 4 and x 2y 3 c. 2x 3y 4 and x 2y 3 d. 2x 3y 4 and x 2y 3 e. 2x 3y 4 and 2x 2y 3

Answers

The graph represents the system of inequalities 2x + 3y ≥ 4 and x + 2y ≤ 3. The test point (0, 1) satisfies both of the inequalities in that system. So, the correct answer is C). 2x + 3y is greater than or equal to 4 and x + 2y is less than or equal to 3.

The graph represents the system of inequalities: 2x + 3y ≥ 4 and x + 2y ≤ 3. To determine the test point that satisfies both of the inequalities in the system, we can pick any point that lies within the shaded region on the graph. One such point is (1, 1).

Plugging this point into both inequalities, we get

2(1) + 3(1) ≥ 4 → 5 ≥ 4 (true)

1 + 2(1) ≤ 3 → 3 ≤ 3 (true)

Since both inequalities are true for the point (1, 1), it satisfies both of the inequalities in the system. So, the correct option is C).

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--The given question is incomplete, the complete question is given

" Which system of inequalities does the graph represent? Which test point satisfies both of the inequalities in that system?

The graph represents the system of inequalities__________

A) 2x + 3y is greater than or equal to 4 and x+2y is greater than or equal to 3

B) 2x + 3y is less than or equal to 4 and x + 2y is less than or equal to 3

C) 2x + 3y is greater than or equal to 4 and x + 2y is less than or equal to 3

D) 2x +3y is less than or equal to 4 and x + 2y is greater than or equal to 3

E) 2x + 3y is less than or equal to 4 and 2x + 2y is less than or equal to to 3"--

James has a triangle with a perimeter of 12. The triangle is dilated with a scale factor of 3. What is the new perimeter?

Answers

The new perimeter of the triangle after it is dilated with a scale factor of 3 is 36 units.

If James has a triangle with a perimeter of 12, it means that the sum of the lengths of all three sides of the triangle is 12. Let's call the lengths of the three sides a, b, and c, where a + b + c = 12.

When the triangle is dilated with a scale factor of 3, it means that all the sides of the triangle are multiplied by 3. Let's call the new lengths of the sides A, B, and C, where A = 3a, B = 3b, and C = 3c.

The new perimeter of the triangle is the sum of the lengths of the new sides, which is:

A + B + C = 3a + 3b + 3c

We know that a + b + c = 12, so we can substitute this into the above equation:

A + B + C = 3(12)

A + B + C = 36

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DOES ANYONE KNOW THE ANSWER TO PUZZLE 3 IN Exponential Growth and Decay Digital Escape

Answers

The initial cost of the car is $23000 and the percentage of the car's value is 20%

Calculing the initial cost of the car

Given that

f(t) = 23000(0.8)^t

An exponential function is represented as

y = ab^t

Where

a = initial value

So, we have

a = 23000

This means that the cost of the car is $23000

The percentage of the car's value

An exponential function is represented as

y = ab^t

Where

rate = 1 - b if b < 1 or b - 1 if b > 1

So, we have

rate = 1 - 0.8

rate = 20%

Hence, the percentage is 20%

The value in 6 years

Here, we have

t = 6

So:

f(6) = 23000(0.8)^6

f(6) = 6029.312

Year to be worth less than 4000

This means that

23000(0.8)^t < 4000

So, we have

(0.8)^t < 4000/23000

This gives

t < ln(4000/23000)/ln(0.8)

Evaluate

t < 7.8

Hence, the years are less than 8 years

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Which of the following situations can be modeled by an exponential function?
OA tree yields 5 apples monthly.
O Josh makes $10 for every hour he works at a restaurant.
Chad has 3 vacation days and is given an additional vacation day for each 9 hours of
overtime he works.
Daniel's allowance is $1 and his parents will double his allowance for each chore he
completes around the house.

Answers

Based on the given situations, the one that can be modeled by an exponential function is:
Daniel's allowance is $1 and his parents will double his allowance for each chore he completes around the house.
An exponential function involves a constant base raised to a variable power.

The situation that can be modeled by an exponential function is:

Daniel's allowance is $1 and his parents will double his allowance for each chore he completes around the house.

We can represent this situation with the following exponential function:

[tex]f(x) = 2^x[/tex]

Where:

x represents the number of chores completed

f(x) represents the corresponding allowance amount

This is an exponential function because the output (allowance amount) is proportional to 2 raised to the power of the input (number of chores completed).

Specifically, each time a chore is completed, the allowance amount is doubled, which corresponds to an exponential growth pattern.

In this case, the base is 2 (since the allowance is doubled) and the variable power represents the number of chores completed.

The equation for this situation would be:
[tex]Allowance = 1 \times  2^x[/tex]
where x is the number of chores completed.

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What do you understand by the value of a polynomial at a given point?

Answers

The value of a polynomial at a given point is the result obtained by substituting the given value for the variable in the polynomial expression and simplifying the resulting expression.

In mathematics, a polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, and multiplication. The degree of a polynomial is the highest power of its variable. For example, the polynomial 3x² - 5x + 2 has a degree of 2.

The value of a polynomial at a given point is the result obtained by substituting the given value for the variable in the polynomial expression and simplifying the resulting expression.

For instance, if we want to evaluate the polynomial 3x² - 5x + 2 at x = 4, we would replace each occurrence of x in the expression with 4, yielding 3(4)² - 5(4) + 2 = 42. Therefore, the value of the polynomial 3x² - 5x + 2 at the point x = 4 is 42. The value of a polynomial at a given point is important in many areas of mathematics, including calculus, algebra, and geometry.

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Yolanda rolled a number cube 20 times and got the following results. Outcome Rolled 1 2 3 4 5 6 Number of Rolls 3 2 7 5 2 1 Fill in the table below. Round your answers to the nearest thousandth. (a) Assuming that the cube is fair, compute the theoretical probability of rolling an odd number. 11 (b) From Yolanda's results, compute the experimental probability of rolling an odd number. (c) Assuming that the cube is fair, choose the statement below that is true: As the number of rolls increases, we expect the experimental and theoretical probabilities to become closer, though they might not be equal. As the number of rolls increases, we expect the experimental and theoretical probabilities to become farther apart. The experimental and theoretical probabilities must always be equal.​

Answers

(a) The theoretical probability of rolling an odd number is 3/6 or 1/2.

(b) The experimental probability of rolling an odd number is 0.6.

(c) The Statement is True.

(a) The theoretical probability of rolling an odd number is 3/6 or 1/2.

(b) The experimental probability of rolling an odd number is

= (3+7+2)/20

= 12/20

= 0.6.

(c) As the number of rolls increases, we expect the experimental and theoretical probabilities to become closer, though they might not be equal.

Therefore, the statement "As the number of rolls increases, we expect the experimental and theoretical probabilities to become closer, though they might not be equal" is true.

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Suppose that you are interested in estimating the average number of miles per gallon of gasoline your car can get. You calculate the miles per gallon for each of the next twelve times you fill the tank. Suppose that in truth, the values for your car are bell-shaped, with a mean of 25 miles per gallon and a standard deviation of 1. Find the possible sample means you are likely to get based on your sample of twelve observations. Consider the intervals into which 68%, 95%, and almost all of the potential sample means will fall, using the Empirical Rule. (Round all answers to the nearest thousandth.)
About 68% of possible sample means will be in the range between ____ and ____ .
About 95% of possible sample means will be in the range between ____ and ____ .
About 99.7% of possible sample means will be in the range between ____ and ____ .

Answers

For estimating the average number of miles per gallon of gasoline a car,

a)About 68% of possible sample means will be in the range between 24.711 and 25.288.

b) About 95% of possible sample means will be in the range between 24.422 and 25.578.

c) About 99.7% of possible sample means will be in the range between 24.133 and 25.867.

Let's we are interested in estimating average number of miles per gallon of gasoline a car. Firstly, sample size, n = 12

mean = 25 miles per gallon

standard deviation = 1

Shape of distribution is bell-shaped. Using Empirical rule,

68% of observed data points will lie inside one standard deviation of the mean.95% will fall within two standard deviations, and 99.7% will occur within three standard deviations.

Standard error =[tex] \frac{ \sigma}{\sqrt{n}}[/tex]

[tex] = \frac{ 1}{\sqrt{12}}[/tex]

= 0.289

a) The 68% of observed data points will lie inside one standard deviation of the mean, i.e [tex]\mu ± \sigma [/tex]

= 25 ± 0.289

= ( 24.711, 25.288)

b) 95% will fall within two standard deviations,i.e., [tex]\mu ± 2 \sigma [/tex]

= 25 ± 2×0.289

= (24.422, 25.578)

c) 99.7% will occur within three standard deviations.i.e., [tex]\mu ± 3 \sigma [/tex]

= 25 ± 3×0.289

= (24.133, 25.867)

Hence, required value is (24.133, 25.867)

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Complete question:

Suppose that you are interested in estimating the average number of miles per gallon of gasoline your car can get. You calculate the miles per gallon for each of the next twelve times you fill the tank. Suppose that in truth, the values for your car are bell-shaped, with a mean of 25 miles per gallon and a standard deviation of 1. Find the possible sample means you are likely to get based on your sample of twelve observations. Consider the intervals into which 68%, 95%, and almost all of the potential sample means will fall, using the Empirical Rule. (Round all answers to the nearest thousandth.)

a) About 68% of possible sample means will be in the range between ____ and ____ .

b) About 95% of possible sample means will be in the range between ____ and ____ .

c) About 99.7% of possible sample means will be in the range between ____ and ____ .

if the geometric multiplicity of eigenvalues equal their algebraic multiplicity, is the matrix diagonalizable?

Answers

Yes, if the geometric multiplicity of each eigenvalue equals its algebraic multiplicity, then the matrix is diagonalizable.



1. Eigenvalues: Scalar values associated with a matrix that, when multiplied by a non-zero vector (eigenvector), only result in a scaled version of that vector.

2. Geometric multiplicity: The number of linearly independent eigenvectors associated with a specific eigenvalue.

3. Algebraic multiplicity: The number of times a specific eigenvalue appears as a root of the characteristic polynomial of the matrix.

4. Matrix diagonalizable: A matrix is diagonalizable if it can be transformed into a diagonal matrix through a similarity transformation (using an invertible matrix P).


A matrix is diagonalizable if and only if there are enough linearly independent eigenvectors to form a basis for the matrix's domain. This means that the sum of the geometric multiplicities of all eigenvalues must equal the dimension of the matrix. If the geometric multiplicity of each eigenvalue equals its algebraic multiplicity, it ensures that there are enough linearly independent eigenvectors to form a basis. Consequently, the matrix is diagonalizable.

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An observation that causes the values of the slope and the intercept in the line of best fit to be considerably different from what they would be if the observation were removed from the data set is said to be.

Answers

An observation that causes the values of the slope and the intercept in the line of best fit to be considerably different from what they would be if the observation were removed from the data set is said to be an outlier.

An outlier is an observation that is significantly different from other observations in a dataset. It is a data point that is located far away from the other data points, and it may have a disproportionate influence on the analysis and conclusions drawn from the data.

what is slope?

Slope is a measure of the steepness of a line. It is calculated as the change in the y-coordinate (vertical change) divided by the change in the x-coordinate (horizontal change) between two points on the line. The slope represents the rate at which the line is rising or falling.

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example 2 major premise: no dogmatists are scholars who encourage free thinking. minor premise: some theologians are scholars who encourage free thinking. conclusion: some theologians are not dogmatists. the major premise in example 2 is an proposition. the minor premise in example 2 is an proposition. the conclusion in example 2 is an proposition. therefore, the mood of the categorical syllogism in example 2 is .

Answers

The mood of the categorical syllogism in example 2 is AIO.

In your example, we have the following premises and conclusion:

1. Major Premise: No dogmatists are scholars who encourage free thinking.
2. Minor Premise: Some theologians are scholars who encourage free thinking.
3. Conclusion: Some theologians are not dogmatists.

The major premise in example 2 is an A proposition (All S are not P). The minor premise in example 2 is an I proposition (Some S are P). The conclusion in example 2 is an O proposition (Some S are not P).

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10) Which aspect of professionalism focuses on appropriate social behaviors, appearances, and ways of speaking?

Question 10 options:

conformity


responsibility


etiquette


discipline

Answers

The aspect of professionalism which focuses on appropriate social behaviors, appearances and ways of speaking is (c) etiquette.

The "Professional-Etiquette" refers to the set of rules and guidelines that govern appropriate behavior and interactions in a professional setting.

The Etiquette includes proper attire, grooming, and manners, as well as effective communication skills such as speaking clearly and using proper language.

Following professional etiquette is important for building and maintaining professional relationships, establishing trust, and projecting a positive image of self and the organization.

Therefore, the correct option is (c).

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The given question is incomplete, the complete question is

Which aspect of professionalism focuses on appropriate social behaviors, appearances, and ways of speaking?

(a) conformity

(b) responsibility

(c) etiquette

(d) discipline

at 2:00pm a car's speedometer reads 50mph, and at 2:10pm it reads 60mph. use the mean value theorem to find an acceleration the car must achieve.

Answers

The car must achieve an acceleration of 60 mph²) to go from 50mph to 60mph in 1/6 of an hour.

The mean value theorem states that for a differentiable function f(x) on an interval [a,b], there exists a point c in (a,b) such that:

f'(c) = (f(b) - f(a))/(b - a)

In this problem, let f(t) be the speed of the car at time t, where t is measured in hours since 2:00pm. Then we have:

f(0) = 50 (since the speedometer reads 50mph at 2:00pm)

f(1/6) = 60 (since the speedometer reads 60mph at 2:10pm, which is 1/6 of an hour later)

We want to find the acceleration of the car, which is the derivative of the speed function f(t).

Using the mean value theorem, we have:

f'(c) = (f(1/6) - f(0))/(1/6 - 0)

Simplifying this expression, we get:

f'(c) = (60 - 50)/(1/6) = 60

Therefore, the car must achieve an acceleration of 60 miles per hour per hour (or 60 mph²) to go from 50mph to 60mph in 1/6 of an hour.

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There is a park near Raphael’s home. To find its area, Raphael took the measurements shown. Select all the true statements about the area of the park.

Answers

All the true statements about the area of the park include the following:

(a)The park can be decomposed into two parallelograms.

(b)The formula A = bh can be used to find the area of each piece of the park.

(c)The park can be decomposed into a parallelogram, a triangle, and a trapezoid.

(d)The area of the park is 126 m².

What is a parallelogram?

In Mathematics and Geometry, a parallelogram refers to a four-sided geometrical figure (shape) and it can be defined as a type of quadrilateral and two-dimensional geometrical figure that is composed of two (2) equal and parallel opposite sides.

By critically observing the image of the park, if it is split along the bottom of the first part, two (2) parallelograms would be created. Similarly, splitting the park along the side of the bottom parallelogram would create a trapezoid, triangle, and a parallelogram.

In Mathematics and Geometry, the area of a parallelogram can be calculated by using the following formula:

Area of a parallelogram, A = base area × height

Area of a park = (5 × 12) + (6 × 11)

Area of a park = 60 + 66

Area of a park = 126 m²

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Complete Question:

There is a park near Raphael’s home. To find its area, Raphael took the measurements shown. Select all the true statements about the area of the park.

(a)The park can be decomposed into two parallelograms.

(b)The formula A = bh can be used to find the area of each piece of the park.

(c)The park can be decomposed into a parallelogram, a triangle, and a trapezoid.

(d)The area of the park is 126 m2.

(e)The area of the park is 96 m2.

Please tell me how you get the answer!

swimming at a rate of 40 yards per minute for 30 minutes will burn 150 calories. How many minutes must a person swim at this rate to burn 900 calories?


Answer: 180

Answers

Answer:

(40 yds/min)(30 min) = 1,200 yds

1,200/150 = y/900, so y = 7,200 yards

7,200 yds/(40 yds/min) = 180 minutes

What is the surface area for the figure, in square centimeters?


Enter your answer as a number, like this: 42

4cm,3cm,6cm,5cm

Answers

The correct option (with regard to the surface area) is D. 96

Why is this so?

Front and back (triangles

There are two triangles (right angle).

They are found by multiplying the 2 legs together.

Area = 1/2 * b * h

b = 4

h = 3

Area = 1/2 * 4 * 3

Area = 6

But there are 2 of them so the Area =                          12

Left face (slanted.

The hypotenuse of the right triangle is 5

a² + b² = c²

a = 3

b = 4

c = ?

3² + 4² = c²

9 + 16 = c²

c^2 = 25

√(c²) = √(25)

c = 5

The front face is 5* 7 =                                 35

Left side

w = 3

L = 7

Area 3 * 7 =                                                   21

Bottom

L = 7

w = 4

Area = L * W

Area = 7 * 4                                                  28

Total                                                              96

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Full Question:

Although part of your question is missing, you might be referring to this full question:

See the attached image.

If the sampled population distribution is skewed, then in most cases the sampling distribution of the mean can be approximated by the normal distribution if the sample size n is at least 30. T/F

Answers

True. The central limit theorem states that if the sample size n is large enough (usually considered to be at least 30), then the sampling distribution of the mean will be approximately normal, regardless of the shape of the population distribution.

The sampling distribution of the mean can be approximated by the normal distribution if the sample size (n) is at least 30. This statement is based on the Central Limit Theorem, which states that the sampling distribution of the mean of a random sample drawn from any population will approach a normal distribution as the sample size increases, regardless of the shape of the population distribution. A sample size of 30 is often considered the threshold for approximating a normal distribution in such cases.

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A bag of Skittles has 4 green, 2 yellow, 6 red, 3 orange and 5 purple candies.

What is the probability of selecting a yellow or red Skittle? Always reduce your fraction.

Answers

The probability of selecting a yellow or red Skittle from the bag is 2/5 or 40%.

To find the probability of selecting a yellow or red Skittle from the bag, we need to first find the total number of yellow and red Skittles, and then divide by the total number of Skittles in the bag.

The bag has a total of 4 + 2 + 6 + 3 + 5 = 20 Skittles.

The number of yellow and red Skittles is 2 + 6 = 8.

Therefore, the probability of selecting a yellow or red Skittle is:

8/20

To reduce the fraction, we can divide the numerator and denominator by their greatest common factor, which is 4:

8/20 ÷ 4/4 = 2/5

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in exercises 27 and 28, find one real root of the equation by inspection. then use descartes' rule to show that there are no other real roots

Answers

We can conclude that the equation has exactly one real root (namely, x = 0) and two complex conjugate roots.

What is the quadratic equation?

The solutions to the quadratic equation are the values of the unknown variable x, which satisfy the equation. These solutions are called roots or zeros of quadratic equations. The roots of any polynomial are the solutions for the given equation.

I can give an example to demonstrate how to use inspection and Descartes' rule to find a real root of an equation and show that there are no other real roots.

Consider the equation x³ - 3x² + 2x = 0. By inspection, we can see that x = 0 is a real root of the equation since the left-hand side of the equation evaluates to 0 when x = 0.

To use Descartes' rule, we need to count the number of sign changes in the coefficients of the polynomial f(x) = x³ - 3x²  + 2x.

There are two sign changes: from positive to negative in the coefficient of x² and from negative to positive in the constant term.

Therefore, according to Descartes' rule, the equation has either two or zero positive real roots.

Next, we need to count the number of sign changes in the coefficients of f(-x), which is obtained by replacing x with -x in f(x).

We have f(-x) = -x³ - 3x² - 2x, which has one sign change: from negative to positive in the coefficient of x².

Therefore, according to Descartes' rule, the equation has either one or three negative real roots.

Since the total number of positive and negative real roots must add up to the degree of the polynomial (which is 3 in this case),

Hence, we can conclude that the equation has exactly one real root (namely, x = 0) and two complex conjugate roots.

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Evaluate the triple integral y^2 dV where t is the solid tetrahedron with vertices (0,0,0), (2,0,0), (0,2,0), (0,0,2)

Answers

To evaluate this triple integral, we need to set up the bounds for each variable. Since the solid tetrahedron is defined by the vertices (0,0,0), (2,0,0), (0,2,0), and (0,0,2), we know that:


∫(from 0 to 2) ∫(from 0 to 2-x) ∫(from 0 to 2-x-y) y^2 dz dy dx

Now, integrate with respect to z:

= ∫(from 0 to 2) ∫(from 0 to 2-x) y^2(2-x-y) dy dx

Next,  with respect to y:

= ∫(from 0 to 2) [-y^3/3 + xy^2 - y^2x/2] (from 0 to 2-x) dx

= ∫(from 0 to 2) [-8x^3/3 + 4x^4/3] dx

Finally, integrate with respect to x:

= [-2x^4/3 + x^5/3] (from 0 to 2)

= [-16/3 + 32/3] - 0

= 16/3

So, the triple integral evaluates to 16/3.

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Your school wants to take out an ad in the paper congratulating the basketball team on a successful season, as shown to the right. The area of the photo will be half the area of the entire ad. What is the value of X?

Answers

Answer:

- 6 + 2√17  or approximately 2.25 in

------------------

The area of the photo is:

A(photo) = 8*4 = 32 in²

Area of the ad is:

A(ad) = (8 + x)(4 + x) = x² + 12x + 32

Area of the photo is half the area of the entire ad:

32 = (x² + 12x + 32)/264 = x² + 12x + 32x² + 12x - 32 = 0x = (-12 ± √(12² - 4(-32)))/2x = -6 ± 2√17

Only positive root makes sense:

x = - 6 + 2√17 ≈ 2.25

What is the measure of AngleC ? 38° 76° 90° 152°

Answers

Option A is correct i.e. Angle C has a measurement of 38°.

A circle's arc is described as a section or segment of the circumference of a circle.

It is given that Arc AB = 76°. We must determine the value of angle C.

As we know that The angle at the circumference is double of the angle at the center.

So, we have:

2 × Angle C = 76°

Angle C = 1 / 2 × 76°

Angle C = 76° / 2

Angle C = 38°

Hence, Option A is correct i.e. Angle C has a measurement of 38°.

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Given Question is incomplete, the complete question is below:

Angle ACB intercepts arc AB. Arc AB has a measure of 76 degrees. What is the measure of Angle C?

38°

76°

90°

152°

If
you drive 23 miles south, make a turn and drive 39 miles
east, how far are you, in a straight line, from your starting
point? Round your answer to the nearest tenth of a mile.
what is the answer ?

Answers

Answer:

45.3 miles

Step-by-step explanation:

a^2 + b^2 = c^2

23^2 + 39^2 = c^2

529 + 1521 = c^2

2050 = c^2

45.27692569068708 = c

approx. 45.3 = c

A ship leaves a port with a direction of North-25 degrees- West, and travels 3 miles. Then, the shop turns right and travel 9 miles. At this point, what is the hearing from the port to the ship? Round your answer to the nearest hundredth. Show your work for full credit

Answers

The bearing from the port to the ship is approximately North-28.17 degrees-East. This is calculated by finding the angle formed by the two legs of a right triangle, where the opposite side is 3 miles and the adjacent side is 9 miles.

Let's assume that the ship starts at point S, and the port is at the origin (0,0). Then, the ship's initial direction of North-25 degrees-West means that it's heading towards the point that is 25 degrees clockwise from the West direction, which is equivalent to the point (-cos(25),sin(25)) on the unit circle.

After traveling 3 miles in that direction, the ship ends up at point P1 (-3cos(25),3sin(25)).

Next, the ship turns right and travels 9 miles, which takes it to point

P2 (-3cos(25)+9sin(25),3sin(25)+9cos(25)).

To find the bearing from the port to the ship at this point, we need to find the angle that the line segment from the origin to P2 makes with the positive x-axis. Let θ be this angle. Then, we have

tan(θ) = (3sin(25)+9cos(25))/(-3cos(25)+9sin(25))

Using a calculator, we can find that tan(θ) is approximately -1.32. Therefore, we have

θ = arctan(-1.32) = -52.83 degrees

Since the bearing is measured clockwise from the North direction, the bearing from the port to the ship is

360 - (25 + 52.83) = 282.17 degrees

Rounding to the nearest hundredth, we get the final answer of 282.17 degrees. Therefore, the bearing from the port to the ship is approximately North-28.17 degrees-East.

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The director of a marketing department wants to estimate the proportion of people who purchase a certain product online. the director originally planned to obtain a random sample of 2,500 2 , 500 people who purchased the product. however, because of budget concerns, the sample size will be reduced to 1,500 1 , 500 people. What describes the effect of reducing the number of people in the sample?

Answers

Reducing the sample size from 2,500 to 1,500 people will likely increase the margin of error and decrease the precision of the estimate.

This means that the estimate of the proportion of people who purchase the product online may not be as accurate as it would have been with a larger sample size. Additionally, reducing the sample size may limit the generalizability of the results, as the sample may not be as representative of the larger population of people who purchase the product.

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8) Which term is defined as a professional that is responsible for the overall financial health of an organization or business?

Question 8 options:

financial analyst


financial planner


chief financial officer


financial accountant

Answers

The professional which is responsible for the organization's overall financial health is (c) chief financial officer.

The "Chief-Financial-Officer" (CFO) is a senior executive in an organization who is responsible for overseeing the financial activities of the company.

The CFO reports to board of directors and is responsible for managing the company's financial actions, including financial planning, budgeting, accounting, and reporting.

The CFO's main responsibility is to ensure the overall financial-health of the company, which involves developing and implementing financial strategies.

The CFO is also responsible for managing the company's cash flow and working capital.

Therefore, the correct option is (c).

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The given question is incomplete, the complete question is

Which term is defined as a professional that is responsible for the overall financial health of an organization or business?

(a) financial analyst

(b) financial planner

(c) chief financial officer

(d) financial accountant

determine if these vectors form a basis for p2 (provide work and/or precise reasoning for your answers): (a) {1, x, x2} g

Answers

The vectors {1, x, x²} are linearly independent and span P₂.

Thus, we can conclude that the vectors {1, x, x²} form a basis for P₂.

What is the system of equations?

A system of equations is a collection of one or more equations that are considered together. The system can consist of linear or nonlinear equations and may have one or more variables. The solution to a system of equations is the set of values that satisfy all of the equations in the system simultaneously.

To determine whether the vectors {1, x, x²} form a basis for P₂, we need to check whether they are linearly independent and whether they span P₂.

First, let's check whether the vectors are linearly independent.

To do this, we need to find constants c₀, c₁, and c₂ such that c₀ + c₁x + c₂x² = 0 for all x in P₂.

If we can find such constants, then the vectors are linearly dependent and not a basis for P₂.

Otherwise, the vectors are linearly independent.

Setting x = 0, we get c₀ = 0. Setting x = 1, we get c₀ + c₁ + c₂ = 0. Setting x = -1, we get c₀ - c₁ + c₂ = 0.

Solving this system of equations, we get c₀ = 0, c₁ = -c₂/2, and c₂ = c₂.

Since c₂ can take on any value, we can find values of c₁ and c₂ such that c₀ + c₁x + c₂x² = 0 for all x in P₂ only if c₁ = c₂ = 0.

Therefore, the vectors {1, x, x²} are linearly independent and span P₂.

Thus, we can conclude that the vectors {1, x, x²} form a basis for P₂.

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you have two circles, one with radius $r$ and the other with radius $r$. you wish for the difference in the areas of these two circles to be less than or equal to 5$\pi$. if $r+r=10$, what is the maximum difference in the lengths of the radii?

Answers

To find the maximum difference in the lengths of the radii, we need to use the formula for the area of a circle, which is $A=\pi r^2$.

We are given that the sum of the radii is $r+r=10$, which means that each radius has a length of $r=5$.
Let's call the larger circle with radius $5+x$, where $x$ is the difference in the lengths of the radii. The area of this circle is $A_1=\pi(5+x)^2=\pi(25+10x+x^2)$.
Similarly, we can call the smaller circle with radius $5-x$. The area of this circle is $A_2=\pi(5-x)^2=\pi(25-10x+x^2)$.
The difference in the areas of the two circles is:
$A_1-A_2=\pi(25+10x+x^2)-\pi(25-10x+x^2)$
Simplifying this expression, we get:
$A_1-A_2=20\pi x$
We want the difference in the areas to be less than or equal to $5\pi$, so we set up the inequality:
$20\pi x \leq 5\pi$
Dividing both sides by $20\pi$, we get:
$x \leq \frac{1}{4}$
Therefore, the maximum difference in the lengths of the radii is $\boxed{\frac{1}{4}}$.

Involving two circles, radius $r$, and finding the maximum difference in the lengths of their radii.
Given that the sum of the radii is $10$, we can express the radii of the two circles as $r_1$ and $r_2$, such that $r_1 + r_2 = 10$. We want to find the maximum difference in their lengths, subject to the constraint that the difference in their areas is less than or equal to $5\pi$.
The area of a circle is given by $A = \pi r^2$. So, the difference in the areas of the two circles is $|\pi r_1^2 - \pi r_2^2|$. We want this difference to be less than or equal to $5\pi$, which can be expressed as:
$|\pi r_1^2 - \pi r_2^2| \le 5\pi$.
Now, we can divide both sides of the inequality by $\pi$ to simplify:
$|r_1^2 - r_2^2| \le 5$.
Notice that $(r_1 - r_2)(r_1 + r_2)$ is equal to $r_1^2 - r_2^2$. Since we know that $r_1 + r_2 = 10$, we can substitute this value into the equation:
$|10(r_1 - r_2)| \le 5$.
Next, divide both sides by 10:
$|r_1 - r_2| \le \frac{1}{2}$.
Therefore, the maximum difference in the lengths of the radii for the two circles, given the constraint on the difference in their areas, is $\frac{1}{2}$.

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Wich sign makes the statement ture


1 1/14 1/4

Answers

The sign that makes the statement as true is minus.

For the statement 1 1/4 [sign] 1/4, we need to determine whether the missing sign should be a plus or a minus. To do this, we need to perform the arithmetic calculation that the sign represents.

If we insert a plus sign between 1 1/4 and 1/4, we would be adding the two fractions together. To add fractions with different denominators, we need to find a common denominator. In this case, the least common multiple of 4 and 14 is 28.

Therefore, we can rewrite the statement as 1 7/28 = 1.25.

This is not true, since 1 1/4 is equal to 1.25, and 1.25 plus 1/4 would be greater than 1 1/2.

On the other hand, if we insert a minus sign between 1 1/4 and 1/4, we would be subtracting the second fraction from the first. We can find a common denominator as before and rewrite the statement as

1 3/28 = 1.1071. This is true, since 1 1/4 minus 1/4 is equal to 1.

Therefore, the sign that makes the statement true is the minus sign.

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for the problem, express the answer in terms of r1, r2, r3, r4, r5, r6, r7, r8, c1, c2, c3, l1, s. in the numerator and denominators, please group the terms with powers of s. assume ideal opamps. please show work or cite publicly available source.

Answers

To express the answer in terms of r1, r2, r3, r4, r5, r6, r7, r8, c1, c2, c3, l1, and s, you need to first determine the transfer function of the circuit. This can be done using circuit analysis techniques such as Kirchhoff's laws, nodal analysis, or mesh analysis.



For an ideal op-amp circuit analysis, follow these steps:

1. Identify the type of circuit (inverting, non-inverting, integrator, differentiator, etc.) based on the arrangement of resistors, capacitors, and the op-amp.
2. Apply Kirchhoff's current and voltage laws to determine equations relating the input and output voltages.
3. Apply Laplace transform to the derived equations, replacing the time domain with the frequency domain (s-domain).
4. Solve the transformed equations for the output voltage in terms of the input voltage and the given terms (r1-r8, c1-c3, l1, and s).

Please provide the specific problem or circuit so that we can accurately provide the solution in terms of the given terms.

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