Use trial and improvement to find the approximate value of √220
Give your answer to the nearest integer.

Answers

Answer 1

Using trial and improvement, the approximate value of √220 to the nearest integer is 15.

To find the approximate value of √220 using trial and improvement, we can start by making an initial guess and then refine it until we get closer to the actual value.

Let's begin with an initial guess of √220 = 14.

When we square this guess, 14^2 = 196, which is less than 220. So, we know that the actual value lies somewhere between 14 and the next whole number, 15.

Now, let's try with the number 15. Squaring 15, we get 15^2 = 225, which is greater than 220.

Since the actual value is between 14 and 15, we can try a value closer to 14. Let's try 14.5.

Squaring 14.5, we get 14.5^2 = 210.25, which is still less than 220.

We can continue this process by trying values closer to 14.5 until we find a value that, when squared, is close to 220.

After a few more iterations, we find that 14.9^2 is approximately 220.01, which is very close to 220.

Rounding to the nearest integer, we can say that the approximate value of √220 is 15.

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Related Questions

True or False (Please Explain): The CO/CO2 ratio of an ethane-air flame at ER=1.25 exceeds 1.0

Answers

The CO/CO2 ratio of an ethane-air flame at ER=1.25 exceeds 1.0. The statement is False.

To understand why this statement is false, let's break it down step-by-step. The CO/CO2 ratio refers to the ratio of carbon monoxide (CO) to carbon dioxide (CO2) in a flame.

When we burn a fuel like ethane in air, the reaction produces carbon dioxide (CO2) and water vapor (H2O). The balanced equation for the combustion of ethane is:

C2H6 + 3.5O2 -> 2CO2 + 3H2O

From this equation, we can see that for every molecule of ethane, we get two molecules of carbon dioxide. This means that the CO/CO2 ratio in the flame is 0.

To determine whether the CO/CO2 ratio exceeds 1.0, we need to consider the equivalence ratio (ER). The equivalence ratio is the ratio of the actual fuel-to-air ratio to the stoichiometric fuel-to-air ratio.

If the ER is equal to 1.0, it means we have exactly the right amount of air to completely burn the fuel. In this case, the CO/CO2 ratio will be 0, as all the carbon is converted to carbon dioxide.

If the ER is less than 1.0, it means we have an oxygen-deficient flame, and the CO/CO2 ratio will be greater than 0.

If the ER is greater than 1.0, it means we have excess air, and the CO/CO2 ratio will be less than 0.

In this question, the ER is given as 1.25, which means we have slightly more air than needed for complete combustion. Therefore, the CO/CO2 ratio will be less than 0, not exceeding 1.0.

In summary, the statement that the CO/CO2 ratio of an ethane-air flame at ER=1.25 exceeds 1.0 is false. The CO/CO2 ratio will be less than 0 in this case.

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6²+2.5²=

what's the answer

Answers

Answer:

41

Step-by-step explanation:

it is fourty one because

The answer is:

42.25

Work/explanation:

Let's simplify this step-by-step.

[tex]\sf{6^2+2.5^2}[/tex]

[tex]\sf{36+6.25}[/tex]

Add

[tex]\sf{42.25}[/tex]

Hence, the answer is 42.25

picture has question please help

Answers

Answer:

Step-by-step explanation:

c

Find the quotient q and the remainder r if a = bq + r. (a) a = 209 and b= 15 (b) a = 986 and b = 49 (a) a= 209 and b= 15 209=15()+ (Type whole numbers.) (b) a = 986 and b = 49 986=49)+ (Type whole num

Answers

(a) a = 209, b = 15: 209 = 15 × 13 + 4

  Quotient q = 13, Remainder r = 4

(b) a = 986, b = 49: 986 = 49 × 20 + 26

  Quotient q = 20, Remainder r = 26

To find the quotient q and remainder r when dividing a by b, we can use the division algorithm which states that for any integers a and b (where b ≠ 0), there exist unique integers q and r such that:

a = bq + r, where 0 ≤ r < |b|

Let's calculate the quotient and remainder for the given values of a and b:

(a) a = 209 and b = 15

We divide 209 by 15:

209 = 15 × 13 + 4

So, the quotient q is 13 and the remainder r is 4.

Therefore, when dividing 209 by 15, the quotient q is 13 and the remainder r is 4.

(b) a = 986 and b = 49

We divide 986 by 49:

986 = 49 × 20 + 26

So, the quotient q is 20 and the remainder r is 26.

Therefore, when dividing 986 by 49, the quotient q is 20 and the remainder r is 26.

In summary:

(a) a = 209, b = 15: 209 = 15 × 13 + 4

  Quotient q = 13, Remainder r = 4

(b) a = 986, b = 49: 986 = 49 × 20 + 26

  Quotient q = 20, Remainder r = 26

Please note that the quotient and remainder are whole numbers obtained from the division algorithm.

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Solve the following equation for ΔT : q=m×ΔT×C Select one: a. ΔT= qC
m

b. ΔT= mq
C

c. ΔT= q
mC

d. Equation cannot be solved. e. ΔT= mC
q

Answers

The equation q = m × ΔT × C can be solved for ΔT by rearranging the equation. The correct answer is (b) ΔT = mq/C.

To solve the equation q = m × ΔT × C for ΔT, we need to isolate ΔT on one side of the equation. We can do this by dividing both sides of the equation by m × C:

q = m × ΔT × C

Dividing by m × C:

q / (m × C) = ΔT

Rearranging the terms, we get:

ΔT = q / (m × C)

Therefore, the correct answer is (b) ΔT = mq/C. This rearranged equation allows us to calculate ΔT by dividing the heat transfer q by the product of mass (m) and specific heat capacity (C).

It's important to note that when solving equations, we should pay attention to the algebraic manipulations and ensure that the units of the variables are consistent throughout the calculation.

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Find 5 rational numbers between 2 and 3 by mean method

Answers

2.125, 2.25, 2.5, 2.75, 2.825.
2.125, 2.25, 2.5, 2.75, 2.825.

Franklin the fly starts at the point (0,0) in the coordinate plane. At each point, Franklin takes a step to the right, left, up, or down. After 12 steps, how many different points could Franklin end up at?

Answers

Franklin can end up at 455 different points after 12 steps.

To find the number of different points Franklin could end up at after 12 steps, we can analyze the possible combinations of steps he can take.

Franklin has four options at each step: right, left, up, or down. Since there are 12 steps in total, there are [tex]4^12[/tex](four raised to the power of twelve) possible combinations of steps Franklin can take.

However, this includes all possible sequences of steps, not necessarily unique points. To determine the number of unique points, we need to consider Franklin's relative position after each step.

Let's denote Franklin's position after each step using (x, y) coordinates. Initially, Franklin starts at (0, 0).

For every step, Franklin can either move one unit to the right (1, 0), one unit to the left (-1, 0), one unit up (0, 1), or one unit down (0, -1).

Considering the 12 steps, we can create a mathematical model to calculate the number of unique points Franklin can end up at. We start with the initial position (0, 0) and consider all possible combinations of movements.

Let's denote the number of steps to the right as R, steps to the left as L, steps up as U, and steps down as D. Franklin takes a total of 12 steps, so we have:

R + L + U + D = 12

This is a combinatorial problem known as the "stars and bars" problem. The number of solutions to this equation represents the number of unique points Franklin can end up at after 12 steps.

Using the stars and bars formula, the number of solutions is given by:

C(n+k-1, k-1)

Where n is the number of steps (12) and k is the number of options (4). Plugging in the values:

C(12+4-1, 4-1) = C(15, 3)

Using the formula for combinations:

C(n, r) = n! / (r!(n-r)!)

C(15, 3) = 15! / (3!(15-3)!)

= 15! / (3!12!)

= (15 * 14 * 13 * 12!) / (3 * 2 * 1 * 12!)

= (15 * 14 * 13) / (3 * 2 * 1)

= 455

Therefore, Franklin can end up at 455 different points after 12 steps.

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Show that the nth roots of unity are isomorphic to Z n
​ . Prove that Q is not isomorphic to Z. Prove that S 4
​ is not isomorphic to D 12
​ . List the elements of Z 4
​ ×Z 2
​ . Prove that the subgroup of Q ×
consisting of the elements of the form 2 m
3 n
for m,n∈Z is an internal direct product isomorphic to Z×Z.

Answers

The nth roots of unity are isomorphic to Z_n, and for m, n∈Z, an internal direct product isomorphic to Z×Z. This is because nth roots of unity possess a structure that is similar to the integers modulo n.

The nth roots of unity is the set of all complex numbers that solve the equation [tex]z^n[/tex]= 1. For every positive integer n, there are exactly n nth roots of unity. The nth roots of unity possess a structure that is similar to the integers modulo n, and are isomorphic to Z_n, the group of integers modulo n. The internal direct product is a way of combining two groups to form a new group.

Given two groups G and H, their direct product G×H is the set of all ordered pairs (g,h), where g∈G and h∈H. The operation on G×H is defined component-wise, so that (g1,h1)·(g2,h2) = (g1·g2,h1·h2). This gives G×H the structure of a group, with the identity element (1,1) and inverse (g,h)-1 = (g-1,h-1). The direct product G×H is isomorphic to the group of matrices of the form[A, B; C, D], where A, B, C, and D are elements of G or H, and the operation is matrix multiplication.

The group of nth roots of unity is isomorphic to Z_n because they have the same number of elements and possess a similar structure. The group of nth roots of unity is also an internal direct product of cyclic groups of order n. The group of nth roots of unity can be decomposed into cyclic groups of order n by taking powers of a primitive nth root of unity.

If ω is a primitive nth root of unity, then the group of nth roots of unity can be written as{1, ω, ω^2, …, ω^(n-1)}. Each element of this group can be written uniquely as ω^k for some integer k, where 0 ≤ k ≤ n-1. The set of exponents {0, 1, 2, …, n-1} is isomorphic to Z_n, and so the group of nth roots of unity is isomorphic to Z_n.

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19)
apreciate the help
\[ (x \cdot n)=x^{2}+y^{2}-3 x^{2}-9 y^{2}-x x^{2} \] tocsi manimum yatiots? bodi minimum whictiot matsle wein(t) \[ \text { (e) } y \text { f } ी \]

Answers

Given: In this question, it is required to find the minimum value of the function w.r.t y and maximum value of the function w.r.t x.

To find the minimum value of the function w.r.t y, we will differentiate the given function w.r.t y. Since this derivative is linear and always negative for positive y, the function n(x,y) has no minimum value with respect to y. To find the maximum value of the function w.r.t x, we will differentiate the given function w.r.t x.

To find the maximum value, we equate the derivative to zero. Solving this we get:y = 2 Now, we have to find the maximum value of the function which is given by:

$$n(3/2, 2) = 3/4 + 4 + 27/2 - 36

$$$$n(3/2, 2) = 15/4 + 27/2 - 36

$$$$n(3/2, 2) = -9.25$$

Hence, the maximum value of the function with respect to x is -9.25.

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scarlett draws the image below onto a card. she then copies the same image onto some different cards. if she draws 60 circles in total, how many squares does she draw?

Answers

Scarlett drew 4 squares in total.

For every card, there are seven shapes, including one square, which Scarlett draws.

If she has drawn the same image on some different cards and drew 60 circles in total, there are a total of 7 × N shapes where N is the number of cards she has drawn.

Therefore, the number of squares Scarlett has drawn is S = 7N - 60.To find the value of N, we need to find the number of cards that Scarlett drew.

There are different ways to approach this problem, but one possible method is to use algebraic equations.

Suppose Scarlett drew N cards, and she drew S squares on those cards, so the total number of shapes she drew is 7N.

Since she drew 60 circles in total, the number of circles on each card is 60/N.

Therefore, there are S squares and 60/N circles on each card, so we can write the equation: S + 60/N = 7

By multiplying both sides of the equation by N, we get: S*N + 60 = 7N

By rearranging the terms:S*N = 7N - 60S*N = N*(7 - 60/N)

Since N*(7 - 60/N) is an integer, 60/N must be an integer as well.

The divisors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. We exclude 1 since it would result in a negative number of cards.

Therefore, the possible values of N are 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60.

By substituting these values into the equation S = 7N - 60, we get the following values of S: S = 4, 11, 18, 25, 32, 50, 58, 65, 80, 110, and 260.

Since S is an integer and there is only one square on each card, the possible values of S are 1, 2, 3, 4, 5, 6, and 7.

By comparing these values with the possible values of S above, we see that only S = 4 is a solution.

Therefore, Scarlett drew 4 squares in total.

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Answer:

25 squares

Step-by-step explanation:

There are 12 circles in the image.

She draws 60 circles in total.

60/12 = 5

That means she drew a total of 5 images on 5 cards.

There are 5 squares in the image.

Since she drew a total of 5 cards, and 5 × 5 = 25, she drew 25 squares.

Question 8 Find A. B. C. at (0,2) in tan(x³y²) + 3y³ - 24 = x²y³ + 5x da D. 36 T 59 5 36 E. NO correct choices

Answers

The correct option is E) NO correct choices. The value of A, B, and C at (0,2) is zero.

Given the equation: tan(x³y²) + 3y³ - 24 = x²y³ + 5x

To find the values of A, B, and C at (0,2), we need to substitute x = 0 and y = 2 in the given equation.

After substitution, we have:

tan(0) + 3(2)³ - 24 = 0²(2)³ + 5(0)

Therefore,

3(8) - 24 = 0

Simplifying the above equation, we have:

24 - 24 = 0

Therefore, the value of A, B, and C at (0,2) is zero, which is represented by option E. NO correct choices.

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Find the inflection points of f(x) = 2x4 + 18x³ − 30x² +3. (Give your answers as a comma separated list, e.g., 3,-2.) inflection points =

Answers

The inflection points of the function f(x) = 2x4 + 18x³ − 30x² +3 are (1/2, f(1/2)) and (-5/2, f(-5/2)).

The given function is f(x) = 2x4 + 18x³ − 30x² +3. We need to find the inflection points of the given function.

To find the inflection points of the given function, we need to follow the below steps:

Step 1: Find the second derivative of the function.

Step 2: Solve for the roots of the second derivative.

Step 3: Plug these roots back into the original function to get the y-coordinate of the inflection points.

Let's solve the problem using the above steps.

Step 1: Find the second derivative of the function.f(x) = 2x4 + 18x³ − 30x² +3 The first derivative of the function = f'(x) = 8x³ + 54x² − 60x The second derivative of the function = f''(x) = 24x² + 108x − 60

Step 2: Solve for the roots of the second derivative.24x² + 108x − 60 = 0 We can simplify the above equation by dividing every term by 12, to get: 2x² + 9x - 5 = 0

Using the quadratic formula to solve the above quadratic equation, we get:x = (-b ± sqrt(b² - 4ac))/(2a)Here, a = 2, b = 9, and c = -5,

Let's substitute the values:x = (-9 ± sqrt(9² - 4×2×-5))/(2×2)x = (-9 ± sqrt(81 + 40))/4x = (-9 ± sqrt(121))/4For x = (-9 + 11)/4 = 1/2 and x = (-9 - 11)/4 = -5/2.

Step 3: Plug these roots back into the original function to get the y-coordinate of the inflection points.Using the first derivative test, we can see that the first derivative of the function changes from positive to negative at x = -5/2 and from negative to positive at x = 1/2.

Thus, the point (1/2, f(1/2)) and (-5/2, f(-5/2)) are the two inflection points of the given function. Therefore, the inflection points of the function f(x) = 2x4 + 18x³ − 30x² +3 are (1/2, f(1/2)) and (-5/2, f(-5/2)).

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Find the values of constants a, b, and c so that the graph of y-ax+bx+cx has a local maximum at x = -3, local minimum at x 1, and inflection point at (-1,11). b=0 c= (Simplify your answers. Type integers or simplified fractions.))

Answers

The required values of a, b, and c are a = 33/2, b = 0, c = 11/2.

Local maximum at x = -3

Local minimum at x = 1

Inflection point at (-1,11)We know that for the function f(x) to have a local maximum at x = p,f '(p) = 0 and f "(p) < 0

Similarly, for the function f(x) to have a local minimum at x = p,f '(p) = 0 and f "(p) > 0

Also, the inflection point at (p, q) occurs when f"(p) = 0

Now, y = -ax + bx + cx

Differentiate y w.r.t. x. y' = -a + b + c

Differentiate y' w.r.t. x. y" = 0

From the above equation, we get, b = 0 (Given)

So, y' = -a + c

At x = -3, y has a local maximum

y'(-3) = -a + c = 0 (As y has a local maximum at x = -3)

Also, y(-3) = (-3a + (-3)(0) + (-3)c) = -3a - 3cAt x = 1, y has a local minimum

y'(1) = -a + c = 0 (As y has a local minimum at x = 1)

Also, y(1) = (a + (1)(0) + (1)c) = a + cAt (-1,11), y has an inflection pointy"(-1) = 0 (As y has an inflection point at (-1, 11))

Also, y(-1) = (a + (-1)(0) + (-1)c) = a - c

Solving the above equations, we get,

a = 3c, c = 11/2

So, the values of constants a, b, and c are a = 3c = 33/2, b = 0, c = 11/2

Hence, the required values of a, b, and c are a = 33/2, b = 0, c = 11/2.

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Solve the given initial value problem. Write your final answer as a piece-wise defined function. y ′′
−4y ′
+4y={ 4,
4x,

0≤x<1
x≥1

;y(0)=0,y ′
(0)=1

Answers

The solution to the given initial value problem is:

y(x) = { 1 - e^(2x), 0 ≤ x < 1

        { x - e^(2x) + e^(2(x-1)), x ≥ 1

In the solution, we solve the second-order linear homogeneous differential equation y'' - 4y' + 4y = 0, and find the general solution to be y(x) = (A + Bx)e^(2x), where A and B are constants.

To find the particular solution, we consider the piece-wise defined function on the right-hand side of the equation. For 0 ≤ x < 1, the function is 4, so we set A = 1 - e^2 and B = 0 to obtain y(x) = 1 - e^(2x). For x ≥ 1, the function is 4x, so we set A = -e^2 and B = 1 - e^2 to obtain y(x) = x - e^(2x) + e^(2(x-1)).

Finally, we incorporate the initial conditions y(0) = 0 and y'(0) = 1 to determine the values of A and B, and arrive at the piece-wise defined function for the solution to the initial value problem.

Note: The given answer is the correct solution to the initial value problem. It is represented as a piece-wise defined function, where the form of the solution differs based on the range of x values.

The function satisfies the given differential equation and the initial conditions specified.

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The final answer, written as a piece-wise defined function, is: y(x) = (-1 + 3x)[tex]e^(2x)[/tex] + 1 , y(x) = (-1 + 3x)[tex]e^(2x)[/tex] - x

To solve the given initial value problem, let's find the general solution first.

The characteristic equation for the homogeneous part of the differential equation is:

r² - 4r + 4 = 0

Solving this quadratic equation, we find a repeated root of r = 2.

So, the homogeneous solution is:

y_h(x) = (c₁ + c₂x)[tex]e^(2x)[/tex]

Now, let's find the particular solution for the inhomogeneous part of the equation.

For the first piece of the function (0 ≤ x < 1), the right-hand side is 4. We assume a particular solution of the form y_p₁(x) = a.

Plugging this into the differential equation, we get:

0 - 4(0) + 4a = 4

4a = 4

a = 1

So, the particular solution for the first piece is y_p₁(x) = 1.

For the second piece of the function (x ≥ 1), the right-hand side is 4x. We assume a particular solution of the form y_p₂(x) = ax + b.

Plugging this into the differential equation, we get:

0 - 4a + 4(ax + b) = 4x

4a - 4ax - 4b = 4x

Matching coefficients, we have:

-4a = 4 (since the coefficient of x on the right-hand side is 4)

a = -1

-4b = 0 (since there is no constant term on the right-hand side)

b = 0

So, the particular solution for the second piece is y_p₂(x) = -x.

Now, we can write the general solution by combining the homogeneous and particular solutions for each piece:

y(x) = y_h(x) + y_p(x)

For 0 ≤ x < 1:

y(x) = (c₁ + c₂x)[tex]e^(2x)[/tex] + 1

For x ≥ 1:

y(x) = (c₁ + c₂x)[tex]e^(2x)[/tex] - x

To determine the values of c₁ and c₂, we can use the initial conditions:

y(0) = 0 => c₁ = -1

y'(0) = 1 => 2c₁ + c₂ = 1 => c₂ = 3

Substituting these values into the general solution, we have:

For 0 ≤ x < 1:

y(x) = (-1 + 3x)[tex]e^(2x)[/tex] + 1

For x ≥ 1:

y(x) = (-1 + 3x)[tex]e^(2x)[/tex] - x

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What is the unit of analysis in this scenario?
Several hundred voting precincts across the nation have been classified in terms of percentage of minority voters, voting turnout, and percentage of local elected officials who are members of minority groups. Do the precincts with higher percentages of minority voters have lower turnout? Do precincts with higher percentages of minority elected officials have higher turnout?

Answers

The unit of analysis in this scenario is the voting precincts.

In the scenario provided, the unit of analysis is the voting precincts. In terms of percentage of minority voters, voting turnout, and the percentage of local elected officials who are members of minority groups, several hundred voting precincts across the nation have been categorized.

The study will concentrate on discovering whether or not the voting precincts with higher percentages of minority voters have lower voter turnout and whether or not the precincts with higher percentages of minority elected officials have higher turnout.

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"I
want to know the answer and solution thank u!
2. If L = lim, (1-4), then log, L= In L = +00 4. Find lim, 3 2.² +3 -"

Answers

Therefore, lim, 3 2.² +3 - = 3.

Given that, 2. If

L = lim, (1-4),

then log,

L= In L = +00 4. Find lim, 3 2.² +3 -

We are to find the limit of

3x² + 3 / x² - 4 as x → ∞

We can factor out x² from the numerator and denominator of the expression.

Let’s factor x² from the numerator and denominator of the expression

3x² + 3 / x² - 4= x²(3 + 3/x²) / x²(1 - 4/x²) = (3 + 3/x²) / (1 - 4/x²)

Now, as x → ∞, both 3/x² and 4/x² tend to 0.

Therefore, our expression reduces to3 / 1 = 3

Hence, the limit of the expression 3x² + 3 / x² - 4 as x → ∞ is equal to 3.

As given, If

L = lim, (1-4), then log, L= In L = +00

Let's evaluate this expression

For the limit to exist, the denominator must be zero.1 - 4 = -3 which is not equal to zero.

Therefore, the limit L does not exist.

Let, limn → ∞ 1/n = L = 0

So, log L = log0 = -∞

Hence, log L = -∞

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answer the question please im begging you

Answers

Answer:

150 g butter

135 g caster sugar

15 g chocolate chips

Step-by-step explanation:

There are many ways to solve this problem. I'll tell 2 methods to solve this. Let's use my favourite method first: Unitary method.

So, there are 200 g butter, 180 g caster sugar, 400 g plain flour and 20 g chocolate chips.

Let's find how many grams of each ingredients we'll have for 1 g plain flour.

So first let's MAKE 400 g plain flour into 1 g plain flour.

400/400=1 g plain flour.
Now, since you divided one ingredient, do the same for each.

200/400=0.5

180/400=0.45

20/400=0.05

So now, if Andrew had 1 g of plain flour, he'll need to use

0.5 g butter0.45 g caster sugar0.05 g chocolate chips

So, we'll just multiply each with 300.

0.5*300=1500.45*300=1350.05*300=15

So here you go! For 300 grams of plain flour, he'll need 150 g butter, 135 g caster sugar and 15 g of chocolate chips!

The second method is:

Lets take a ratio, butter : caster sugar : plain flour : chocolate chips

Now,

200:180:400:20
? : ? : 300 : ?
Now, we directly got from 400 to 300.
Lets divide 300 by 400.

That will give us 3/4 (or 0.75)
So now to equal everything in the ratio, first let's multiply plain flour first.
400 * 3/4 = 300
then lets do the same for other ingredients.

200 * 3/4 = 150
180 * 3/4 = 135

20 * 3/4 = 15

So now, let's replace the values.

First, it was 200:180:400:20, and now 150:135:300:15

HOPE THIS HELPS!

3. Find an element of order 10 in \( A_{10} \). Justify your answer. You must use cycle type as part of your justification/explanation as to what lead you to the desired element.

Answers

An element of order 10 in \( A_{10} \) with the cycle type (2, 5), specifically the permutation \((1\ 2)(3\ 4\ 5\ 6\ 7)\).

To find an element of order 10 in the alternating group \( A_{10} \), we can examine the cycle types of elements in this group. The cycle type of an element refers to the lengths of the disjoint cycles that make up the permutation.

Since the order of an element in a group is equal to the least common multiple (LCM) of the lengths of its disjoint cycles, we need to look for a permutation in \( A_{10} \) with disjoint cycles whose lengths multiply to 10.

One such element is a permutation with cycle type (2, 5), meaning it consists of a 2-cycle and a 5-cycle. Let's consider the permutation \((1\ 2)(3\ 4\ 5\ 6\ 7)\) as an example.

The 2-cycle \((1\ 2)\) means that 1 is mapped to 2 and vice versa. The 5-cycle \((3\ 4\ 5\ 6\ 7)\) means that 3 is mapped to 4, 4 is mapped to 5, 5 is mapped to 6, 6 is mapped to 7, and 7 is mapped back to 3, forming a cycle.

To determine the order of this permutation, we calculate the LCM of the lengths of the disjoint cycles: LCM(2, 5) = 10. Hence, this permutation has an order of 10.

Therefore, we have found an element of order 10 in \( A_{10} \) with the cycle type (2, 5), specifically the permutation \((1\ 2)(3\ 4\ 5\ 6\ 7)\).

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Find the exact length of the polar curve given by r = 3cos(7Θ), 0 ≤ Θ ≤ π/7.

Answers

Hence, the exact length of the polar curve given by r = 3cos(7Θ) over the interval 0 ≤ Θ ≤ π/7 is 0.

In this problem, we are required to find the exact length of the polar curve given by

r = 3 cos(7Θ) over the interval 0 ≤ Θ ≤ π/7.

To find the exact length of a polar curve, we use the formula:

L = ∫[a, b] √[r^2 + (dr/dΘ)^2] dΘ.

Now, we have to find the length of the curve

r = 3cos(7Θ) over the interval 0 ≤ Θ ≤ π/7.

Here,

r = 3 cos(7Θ)=> r^2 = 9 cos^2 (7Θ)=> r^2 = 9(1 + cos(14Θ))/2

[using the identity: cos 2Θ = 2 cos^2 Θ - 1]=> r^2 = (9/2) + (9/2) cos(14Θ)

Now, dr/dΘ = -21 sin(7Θ)

Substituting r and dr/dΘ in the formula, we get:

L = ∫[0, π/7] √[r^2 + (dr/dΘ)^2]

dΘ= ∫[0, π/7] √[(9/2) + (9/2) cos(14Θ) + 441 sin^2 (7Θ)]

dΘ=> L = 3∫[0, π/7] √[1 + cos(14Θ)/2 + 49 sin^2 (7Θ)] dΘ

Now, we substitute u = sin(7Θ).

Therefore, du/dΘ = 7 cos(7Θ)and

dΘ = du/7 cos(7Θ)

When Θ = 0, u = sin(0) = 0

When Θ = π/7, u = sin(π) = 0.

Thus, the integral limits become 0 ≤ u ≤ 0.

Also, we have:

cos(14Θ) = 2 cos^2 (7Θ) - 1

And, 1 - cos(14Θ) = 2 sin^2 (7Θ)

Now, substituting these in the integral, we get:
L = 3∫[0, 0] √[1 + (1/2)cos(14Θ) + (49/2)sin^2(7Θ)] dΘ=> L = 0

The final answer is 0.

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5. help will upvote
Which of the following functions is increasing and concave down for all x > 0? Oy=3x² Oy=√x Oy=5x² Dy= 1/2

Answers

The function that is increasing and concave down for all x > 0 is y = 5x².

Given functions are as follows:1. y = 3x²2. y = √x3. y = 5x²4. y' = 1/2

Now, let's find the first derivative of each function.1. y = 3x²y' = d/dx(3x²) = 6x2. y = √xy' = d/dx(√x) = 1/2x^(-1/2)3. y = 5x²y' = d/dx(5x²) = 10x4. y' = 1/2

Now, let's find the second derivative of each function.1. y = 3x²y'' = d²/dx²(3x²) = 6 (constant)2. y = √xy'' = d²/dx²(1/2x^(-1/2))= (-1/4)x^(-3/2)3. y = 5x²y'' = d²/dx²(5x²) = 10 (constant)4. y'' = 0

Now, we need to find the function that is increasing and concave down for all x > 0.

For this, we need to look for a function that satisfies the following conditions:1. y' > 0 (the function is increasing)2. y'' < 0 (the function is concave down)

Now, let's look at the given functions one by one:1. y = 3x²y' > 0 for all x > 0, but y'' > 0 for all x > 0.

Therefore, this function is increasing but not concave down.2. y = √xy' > 0 for all x > 0, but y'' < 0 for x < 0 and y'' > 0 for x > 0.

Therefore, this function is increasing and concave down only for x > 0.3. y = 5x²y' > 0 for all x > 0, and y'' < 0 for all x > 0.

Therefore, this function is increasing and concave down for all x > 0.4. y' = 1/2

This is not a function, but a constant. It is neither increasing nor concave down.

Therefore, the function that is increasing and concave down for all x > 0 is y = 5x².

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Obtain a relationship between u,x, and y in each of the following problems. (i) (y−u)u x
​ +(u−x)u y
​ =x−y;u=0 when y=2x. (ii) (2xy+2y 2
+u)u x
​ −(2x 2
+2xy+u)u y
​ =2u(x−y);u=2x 2
when y=0.

Answers

The relationship between u, x, and y is given by the equation: (2x²)uₓₓ + (2x² - 2x)uᵧ - (4x²)uᵧₓ = -4x².

In the given problems, we need to obtain the relationship between u, x, and y. For the equation (y - u)uₓ + (u - x)uᵧ = x - y, with the initial condition u = 0 when y = 2x.

We can find the relationship between u, x, and y as follows:

Differentiate the equation with respect to x:

(u - y)uₓ + (u - x)uₓₓ + (uᵧ - 1)uᵧ = 1.

Substitute the initial condition u = 0 when y = 2x into the equation:

(-2x)uₓ + (-2x)uₓₓ + (uᵧ - 1)uᵧ = 1.

Simplify the equation and solve for u:

(-2x)uₓ + (-2x)uₓₓ + uᵧuᵧ = 1.

Hence, the relationship between u, x, and y is given by the equation:

(-2x)uₓ + (-2x)uₓₓ + uᵧuᵧ = 1.

For the equation (2xy + 2y² + u)uₓ - (2x² + 2xy + u)uᵧ = 2u(x - y), with the initial condition u = 2x² when y = 0, we can find the relationship between u, x, and y as follows:

Differentiate the equation with respect to y:

(2xy + 2y² + u)uₓₓ + (u - 2x)uᵧ - (4xy + 2y² + u)uᵧₓ = -2u.

Substitute the initial condition u = 2x² when y = 0 into the equation:

(2x²)uₓₓ + (2x² - 2x)uᵧ - (4x²)uᵧₓ = -2(2x²).

the equation and solve for u:

(2x²)uₓₓ + (2x² - 2x)uᵧ - (4x²)uᵧₓ = -4x².

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Suppose that you flip a coin 15 times. What is the probability that you achieve at least 4 tails?

Answers

The probability of achieving at least 4 tails when flipping a coin 15 times will be calculated. The probability can be determined by summing the individual probabilities of getting 4 tails, 5 tails, 6 tails, and so on up to 15 tails.

Alternatively, we can calculate the complementary probability of getting fewer than 4 tails and subtract it from 1.

When flipping a fair coin, the probability of getting a tail is 0.5, and the probability of getting a head is also 0.5.

To calculate the probability of getting exactly k tails in n flips, we can use the binomial probability formula:

P(X = k) = C(n, k) * p^k * (1-p)^(n-k)

Where X is the number of tails, k is the desired number of tails (4 or more in this case), n is the total number of coin flips (15 in this case), and p is the probability of getting a tail (0.5).

To find the probability of at least 4 tails, we need to sum the probabilities of getting 4 tails, 5 tails, 6 tails, and so on up to 15 tails. Alternatively, we can calculate the probability of getting fewer than 4 tails and subtract it from 1.

P(at least 4 tails) = 1 - [P(0 tails) + P(1 tail) + P(2 tails) + P(3 tails)]

Using the binomial probability formula for each term, we can calculate the probabilities and sum them up.

Please note that the final probability will depend on the exact calculations, which require evaluating the binomial coefficients and performing the calculations. These calculations are not shown here for brevity.

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Help me please help me

Answers

Answer:

82cm

Step-by-step explanation:

a2 + b2 = c2

c2 is the hypotenuse always

[tex]71^{2} +42^{2}[/tex] = [tex]c^{2}[/tex]

6805 = [tex]c^{2}[/tex]

then square root the c and 6805 to isolate c

c = 82.49

Answer:

82 cm

Step-by-step explanation:

The equation they are giving you is the pythagorean theorem, which is used to calculate the diagonal or hypotenuse of a triangle:
[tex]a^2+b^2=c^2[/tex]

We are given dimensions of 42 and 71, so we can plug in those values:
[tex]41^2+71^2=c^2\\1681+5041=c^2\\6772=c^2\\\sqrt{6772}=c\\ 82.292=c\\[/tex]

So, the correct answer will be 82 cm, as we are giving the closest answer.

Hope this helps! :)

Find the distance between the complex numbers -8-4i, 4 + 2i

Answers

The distance between the complex numbers -8 - 4i and 4 + 2i is approximately 13.416.

Let's consider the complex numbers as points A (-8 - 4i) and B (4 + 2i).

The distance between two points in a Cartesian coordinate system is given by the distance formula:

Distance = √((x₂ - x₁)² + (y₂ - y₁)²)

For our complex numbers, we can consider the real part as the x-coordinate and the imaginary part as the y-coordinate.

Let's calculate the distance:

x₁ = -8 (real part of A)

y₁ = -4 (imaginary part of A)

x₂ = 4 (real part of B)

y₂ = 2 (imaginary part of B)

Distance = √((4 - (-8))² + (2 - (-4))²)

        = √(12² + 6²)

        = √(144 + 36)

        = √180

        ≈ 13.416

Therefore, the distance between the complex numbers -8 - 4i and 4 + 2i is approximately 13.416.

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Write the differential dw in terms of the differentials of the independent variables. w=f(x,y,z) = sin (x + 8y-z) dw = dx + dy + dz

Answers

the differential dw in terms of the differentials of the independent variables is:

dw = cos(x + 8y - z)dx + 8cos(x + 8y - z)dy - cos(x + 8y - z)dz

To write the differential dw in terms of the differentials of the independent variables (dx, dy, dz), we can use the total differential of the function w = f(x, y, z). The total differential is given by:

dw = (∂w/∂x)dx + (∂w/∂y)dy + (∂w/∂z)dz

Since w = sin(x + 8y - z), let's find the partial derivatives with respect to each variable:

∂w/∂x = ∂/∂x[sin(x + 8y - z)] = cos(x + 8y - z)

∂w/∂y = ∂/∂y[sin(x + 8y - z)] = 8cos(x + 8y - z)

∂w/∂z = ∂/∂z[sin(x + 8y - z)] = -cos(x + 8y - z)

Now, substitute these partial derivatives back into the total differential formula:

dw = cos(x + 8y - z)dx + 8cos(x + 8y - z)dy - cos(x + 8y - z)dz

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Use the method for solving Bernoulli equations to solve the following differential equation. dx dt .7 9 X +tx+=0 t Ignoring lost solutions, if any, an implicit solution in the form F(t,x) = C is arbitrary constant. (Type an expression using t and x as the variables.) = C, where C is an

Answers

The implicit solution to the given Bernoulli differential equation is [tex]F(t, x) = (-4t^2/7 + C)*e^(5.6t),[/tex] where C is an arbitrary constant.

The given differential equation is a Bernoulli equation since it can be written in the form dx/dt +[tex]P(t)x = Q(t)x^n[/tex], where n ≠ 1. In this case, P(t) = 0.7, Q(t) = t, and n = 9.

To solve the Bernoulli equation, we can make the substitution u = x^(1-n), which transforms the equation into a linear form. Applying this substitution, we have du/dt + (1-n)P(t)u = (1-n)Q(t).

Using the given values, the equation becomes du/dt + (-8)(0.7)u = (-8)(t). Simplifying further, we have du/dt - 5.6u = -8t.

This linear equation can be solved using standard techniques for first-order linear differential equations. The integrating factor is e^∫(-5.6)dt = e^(-5.6t). Multiplying the equation by the integrating factor, we get d/dt (e^(-5.6t)u) = -8t*e^(-5.6t).

Integrating both sides and simplifying, we obtain [tex]e^(-5.6t)u = -4t^2/7 + C,[/tex]where C is an arbitrary constant.

Finally, dividing both sides by[tex]e^(-5.6t)[/tex], we arrive at the implicit solution F(t, x) = C, where [tex]F(t, x) = x^(1-n)*e^(-5.6t) = (-4t^2/7 + C)*e^(5.6t).[/tex]

Therefore, the implicit solution to the given Bernoulli differential equation is [tex]F(t, x) = (-4t^2/7 + C)*e^(5.6t)[/tex], where C is an arbitrary constant.

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Use the method for solving Bernoulli equations to solve the following differential equation. dx dt .7 9 X +tx+=0 t Ignoring lost solutions, if any, an implicit solution in the form F(t,x) = C is arbitrary constant. (Type an expression using t and x as the variables.) = C, where C is an ?

Suppose the fencing along the width of a rectangle costs $8 per foot, and the fencing along the length of the rectangle costs $7 per foot. If the perimeter of the rectangle is 300 feet, express the cost C as a function of the width w. C(w)=

Answers

The cost C as a function of the width w if the perimeter of the rectangle is 300 feet, C(w)= w + 1050.

The cost of the fencing along the width of the rectangle is $8 per foot, and the cost along the length is $7 per foot. The perimeter of the rectangle is 300 feet.

To express the cost C as a function of the width w, we need to find the length L of the rectangle in terms of w.

The perimeter of a rectangle is given by the formula: P = 2L + 2w

Substituting the given values, we have:
300 = 2L + 2w

Simplifying the equation, we get:
150 = L + w

Solving for L, we have:
L = 150 - w

Now, to find the cost C as a function of the width w, we need to multiply the cost per foot by the respective length or width.

C(w) = (cost per foot along the width) * w + (cost per foot along the length) * L

Substituting the values, we have:
C(w) = $8 * w + $7 * (150 - w)

Simplifying further, we get:
C(w) = 8w + 1050 - 7w

Combining like terms, we have:
C(w) = w + 1050

Therefore, the cost C as a function of the width w is C(w) = w + 1050.

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Final answer:

The cost C as a function of width w for fencing a rectangle, given the cost per foot for width and length as $8 and $7 respectively and a perimeter of 300 feet, is C(w)=16w+14(150-w).

Explanation:

First, recall that the perimeter of a rectangle is calculated by the formula: 2w+2l=perimeter, where w represents the width and l is the length. Given a total perimeter of 300 feet, we can express the length as l=(300-2w)/2 by rearranging the formula.

Secondly, since the cost per foot for the width and length are $8 and $7 respectively, the total cost C of the fencing can be calculated as follows: the cost for the width (2w) is 2w*8=16w, and the cost for the length (2l) is 2l*7=14l. Substituting l=(300-2w)/2 into the equation provides us the total cost C as a function of the width w:

C(w)=16w+14(150-w)

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Find the domain of each of the following
\[ f(x)=x^{3}-10 x^{2}+16 x \] \( g(x)=\sqrt{3 x+11} \) \[ h(x)=\frac{x^{2}+7 x+10}{x^{2}-x-12} \]
3) Solve the following equations for \( x \) : \{6 pts each\} a) \( \ln (2 x-15)=0 \) b) \( 81^{2 x-3 = 27^5x +1 c) log5(x+9) - log5(x+3) d) 2^x^2-6x =128

Answers

The domain of each of the following functions:a) The domain of the given function is all real numbers.

[tex]The function is:$$f(x)=x^{3}-10 x^{2}+16 x$$[/tex]

[tex]b) We are given function $g(x)=\sqrt{3 x+11}$.[/tex]

To find the domain of the given function,we will equate the expression inside the square root with zero and solve for x [tex]as follows:$$\begin{aligned} 3x+11&\geq 0 \\ 3x&\geq -11 \\ x&\geq -\frac{11}{3} \end{aligned}$$[/tex]

[tex]Therefore, the domain of the function $g(x)$ is $\left[-\frac{11}{3}, \infty\right)$[/tex]

[tex]c) We are given function $h(x)=\frac{x^{2}+7 x+10}{x^{2}-x-12}$[/tex]

The denominator should not be equal to zero. It is a quadratic expression that can be factored as[tex]follows:$$x^{2}-x-12=(x+3)(x-4)$$[/tex]

[tex]Therefore, the domain of the function $h(x)$ is $\left(-\infty,-3\right) \cup\left(-3, 4\right) \cup\left(4, \infty\right)$[/tex]

[tex]Solve the following equations for \( x \) :a) \(\ln (2 x-15)=0\)Solve for \(x\):\[\ln (2 x-15)=0\][/tex]

The logarithmic equation can be expressed in exponential form as follows:\[tex][e^{0}=2 x-15\]\[1=2 x-15\]\[2x=16\]\[x=8\[/tex]

[tex]]Therefore, the solution for \(\ln (2 x-15)=0\) is \(x=8\)b) \(81^{2 x-3} = 27^{5x+1}\)[/tex]

[tex]Solve for \(x\):$$\begin{aligned} 81^{2 x-3}&=27^{5x+1} \\ 3^{4(2 x-3)}&=3^{3(5x+1)} \\ 3^{8 x-12}&=3^{15 x+3} \end{aligned}$$[/tex]

[tex]Therefore,\[8 x-12=15 x+3\]\[7x=15\]\[x=\frac{15}{7}\]c) \(\log_{5}(x+9) - \log_{5}(x+3)\)Solve for \(x\):$$\begin{aligned} \log _{5}(x+9)-\log _{5}(x+3) &=\log _{5}\left[\frac{(x+9)}{(x+3)}\right] \\ &=\log _{5}(2) \end{aligned}$$Therefore,\[\frac{x+9}{x+3}=2\]\[x+9=2 x+6\]\[x=3\]d) \(2^{x^{2}-6x}=128\)Solve for \(x\):$$\begin{aligned} 2^{x^{2}-6x}&=128 \\ 2^{x^{2}-6x}&=2^{7} \\ x^{2}-6 x&=7 \\ x^{2}-6 x-7&=0 \end{aligned}$$[/tex]

[tex]Solving the quadratic equation using factoring we have,\[\begin{aligned} x^{2}-7 x+x-7 &=0 \\ x(x-7)+1(x-7) &=0 \\ (x-7)(x+1) &=0 \end{aligned}\][/tex]

[tex]Therefore, the solutions for the given equation are $x=-1$ or $x=7$.[/tex]

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The solutions to the equation are \[x = -1\]or \[x = 7\].

Domain of each function:

a. \[f(x)=x^{3}-10x^{2}+16x\]

The domain of a function is the set of all possible values for the independent variable that produce a real output. As \[f(x)\] is a polynomial function, it has a domain of all real numbers, which means \[f(x) \in \mathbb{R}\].

b. \[g(x)=\sqrt{3x+11}\]

The domain of the function is the set of values that can be input into the function, which produces a real output. In this function, the value inside the square root cannot be negative, otherwise, we end up with a non-real result. Thus, we need to solve the inequality

\[3x + 11 \ge 0\]

in order to find the domain of the function.

\[3x + 11 \ge 0\]

Subtracting 11 from both sides,

\[3x \ge -11\]

Dividing both sides by 3,

\[x \ge -\frac{11}{3}\]

Therefore, the domain of the function is

\[x \in \left[-\frac{11}{3},\infty\right)\].c. \[h(x)=\frac{x^{2}+7x+10}{x^{2}-x-12}\]

The domain of the function is the set of values of the independent variable that produce a real output. Thus, we need to determine where the denominator becomes zero.

\[x^{2}-x-12=0\]\[(x-4)(x+3)=0\]

Therefore, the denominator becomes zero when

\[x=4\]or \[x=-3\].

As division by zero is undefined, the domain of the function is the set of all real numbers except these two values. Thus, the domain of the function is

\[x \in \mathbb{R}\setminus \{-3,4\}\].

Solutions to the equations:

a. \[\ln (2x - 15) = 0\]

By taking the exponential of both sides,

\[\begin{aligned} e^{\ln (2x - 15)} &= e^{0} \\ 2x - 15 &= 1 \\ 2x &= 16 \\ x &= 8 \end{aligned}\]

Thus, the solution to the equation is \[x = 8\].b. \[81^{2x - 3} = 27^{5x + 1}\]

We know that

\[81 = 3^4\]and \[27 = 3^3\].

Thus,

\[81^{2x - 3} = (3^4)^{2x - 3} = 3^{8x - 12}\]\[27^{5x + 1} = (3^3)^{5x + 1} = 3^{15x + 3}\]

Substituting these expressions into the equation,

\[3^{8x - 12} = 3^{15x + 3}\]

Using the rule of exponents that states when the bases are the same, we can equate the exponents,

\[8x - 12 = 15x + 3\]

Subtracting \[8x\] from both sides and simplifying,

\[-12 = 7x + 3\]\[7x = -15\]\[x = -\frac{15}{7}\]

Therefore, the solution to the equation is

\[x = -\frac{15}{7}\].c. \[\log_{5}(x + 9) - \log_{5}(x + 3)\]

By the quotient rule of logarithms,

\[\begin{aligned} \log_{5} \frac{x + 9}{x + 3} &= 1 \\ \frac{x + 9}{x + 3} &= 5^{1} \\ x + 9 &= 5x + 15 \\ -4x &= -6 \\ x &= \frac{3}{2} \end{aligned}\]

Therefore, the solution to the equation is

\[x = \frac{3}{2}\].d. \[2^{x^{2} - 6x} = 128\]As \[128 = 2^{7}\],

we can rewrite the equation as,\[2^{x^{2} - 6x} = 2^{7}\]

Thus,\[x^{2} - 6x = 7\]\[x^{2} - 6x - 7 = 0\]Solving the quadratic equation by factorization,

\[(x - 7)(x + 1) = 0\]

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mrs berry class organized the lunch orders for there upcoming party in the table below
.

Answers

The ratio between the number of orders from pepperoni to cheese pizza is given as follows:

4 to 5.

How to obtain the ratio?

The ratio between the number of orders from pepperoni to cheese pizza is obtained applying the proportions in the context of the problem.

The amounts are given as follows:

Pepperoni: 8 orders.Cheese pizza: 10 orders.

Hence the ratio between the number of orders from pepperoni to cheese pizza is given as follows:

8/10 = 4/5 = 4 to 5.

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The volume, V, of a sphere in terms of its radius, r, is given by V (r) = ³. Express & as a function of V, and find the radius of a sphere with volume of 50 cubic feet. Round your answer for the radius to two decimal places. Enclose numerators and denominators in parentheses. For example, (a - b)/(1+n). Include a multiplication sign between symbols. For example, a * T. r(V) = A sphere with volume 50 cubic feet has radius Number feet.

Answers

A sphere with a volume of 50 cubic feet has a radius of 3.63 feet.

Here is the solution for the given problem.
Given that the volume, V, of a sphere in terms of its radius, r, is given by V(r) = ³.
Now we need to express "r" as a function of "V" and find the radius of a sphere with volume of 50 cubic feet.
To express r as a function of V, we first need to write the given volume equation in terms of "r".
V(r) = ⁴⁄₃πr³
Now we have to isolate "r" in this equation.
V(r) = ⁴⁄₃πr³

Divide by ⁴⁄₃π on both sides to isolate r:
V(r) ÷ ⁴⁄₃π = r³
Therefore, r = (³√(¾πV))
Thus, r is expressed as a function of V.

Next, we need to find the radius of a sphere with a volume of 50 cubic feet. r(V) = (³√(¾πV))

Given that the volume of the sphere is 50 cubic feet, substitute V = 50.
r(50) = (³√(¾π*50))
r(50) = (³√(187.5π))

Now we can evaluate the expression using a calculator.
r(50) = 3.63 (rounded to two decimal places)
Therefore, a sphere with a volume of 50 cubic feet has a radius of 3.63 feet.

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Workout Problem (10 Marks) h(K) = K mod 11 For the input 30, 20, 56, 75, 31, 19, 85 and hash function A. construct the closed hash table. (6 Marks) B. find the largest number of key comparisons in a successful search in this table. (2 Marks) C. find the average number of key comparisons in a successful search in this table. (2 Marks) Evaluate the integral by converting to polar coordinates. 33 09x 2sin(x 2+y 2)dydx 5) Evaluate the double integral by reversing the order of integration. 04 12x 3+1dxdy 6) Find the volume of the tetrahedron enclosed by the coordinate planes and the plane 2x+y+z=2 which of the following statements about conditioning is true? ivan pavlov developed a principle of learning called law of effect. the process of reinforcement means that the rewarded behavior will become less likely in the future. classical conditioning involves reflexes, whereas operant conditioning occurs due to rewards and punishments. classical conditioning theory was developed by e. l. thorndike. S 1 11 14 3 6 20 9 12 15 18 21 Any side of the lake Question 10 What is not likely to happen as a result of reduction of sea ice in the north? More development of resource extraction. Reduction in habitat for polar bears Opening of shipping routes in the north Less extreme weather events All of the above will likely happen For a curved section of road with an absolute minimum radius, a transition curve is required. The design speed of the road is 85km/h. Assuming minimum super elevation is applied (elimination of the adverse camber) determine the length of transition curve required and the shift, stating any assumptions made 1. Determine and draw the single-sided amplitude spectrum of a narrowband frequency modulated signal with a modulation index of 0.3. 2. Draw the single-sided amplitude spectrum of a frequency modulated signal with the following modulation indices, showing the frequency components that contain 95% of the total power: a. B=1 b. B=3 c. B=5. Molly receives $3,700 from an investment at the beginning of every month for 2 years at 3.62% compounded semi-annually. What type of annuity is this? Q2) Jeffrey deposits $450 at the end of every quarter for 4 years and 6 months in a retirement fund at 5.30% compounded semi-annually. What type of annuity is this? Q3) How much should Shawn have in a savings account that is earning 3.75%compounded quarterly, if he plans to withdraw $2,250 from this account at the end of every quarter for 7 years? Q4) Vanessa purchases a retirement annuity that will pay her $1,000 at the end of every six months for the first nine years and $600 at the end of every month for the next five years. The annuity earns interest at a rate of 5.7%compounded quarterly. What was the purchase price of the annuity? Q5) What is the accumulated value of periodic deposits of $5,500 made into an investment fund at the beginning of every quarter, for 5 years, if the interest rate is 3.25% compounded quarterly? helpDetermine the period and amplitude of the of the following function. \[ y=\cos \frac{1}{2} x \] What is the period of the function \( y=\cos \frac{1}{2} x \) ? (Simplify your answer. Type an exact ans if your starting salary is $35,000 and you receive a %6 increase at the end of every year, what is the total amount, in dollars, you will earn over the first 16 years that you work If A = [a] M and if |aii] > R for k different values of i, use properties of principal submatrices of A to show that rank A k. 1. A car has a 16-gallon fuel tank. When driven on a highway, it has a gas mileage of 30 miles per gallon. The gas mileage (also called "fuel efficiency") tells us the number of miles the car can travel for a particular amount of fuel (one gallon of gasoline, in this case). After filling the gas tank, the driver got on a highway and drove for a while. A. ) how many gallons are left in the tank when the car has traveled the following distance on the highway?1. ) 90 miles 2. ) 246 miles B. ) Write an equation that makes it easier to find the amount of gas left in the tank, x, if we know the car had traveled d miles If u=5,v=7 and the angle between these vectors is 110 degrees, determine a) uv T/F1. New tech allows the government to search our homes without entering and search us from a distance without knowing.2. The Omnibus Crime Control and Safe Streets (1968) explicitly allowed wiretapping and electronic surveillance by law enforcement agencies without a warrant. can you please solve with explanation, no clue whereto even begin.(1, 3 x < 0 4. Graph the equation: f(x) = 32x + 4, 0x3. (-2, x > 3 Here is another example of #4 on the Quiz 1 for practice. 4. Graph the equation: f(x) = -3, 4, x+ x < -2 -2 x Suppose X(t) is a stochastic process with the following definition: () = sin( + ) where and is constant and is a r.v with unified distribution between - and + ie. ( ~ [, +]). a. Find the expected value and autocorrelation of X(t). b. Is X(t) SSS or WSS? Explain your answer In 1968, the U.S. federal minimum wage was $1.60 /hour. The CPI was 34.90 in July 1968 and was 258.604 in July 2020. Adjusting for inflation, how much was the minimum wage in 1968 worth in 2020 dollars? 2. How does your answer compare to the current Federal Minimum Wage ( $7.25/hr.)? 3. Has the minimum wage done an adequate job of keeping up with the changes in the cost of living since 1968 ? Burns Boats wants to assemble 30 boats per 7-hour day, using a production line. Total task time for each boat is 60 minutes. a. The takt time is _____ minutes per boat. (Enter your response rounded to one decimal place.)The theoretical minimum number of workstations is ______ (Enter your response rounded up to the next whole number) b. Suppose the longest individual task takes 3 minutes. Will Burns be able to accomplish its goal? O A. Yes because the longest task time is less than the takt time. The takt time is equal to the highest allowable cycle time in order required output rate. O B. No because the longest task time is less than the takt time. The takt time is equal to the lowest allowable cycle time in order to required output rate. O C. Yes because the longest task time is less than the total task time for each boat. O D. No because the longest task time is larger than the takt time. The takt time is equal to the highest allowable cycle time in order required output rate. ource code (C or .CPP file) of the myExam.exe program. The myExam.exe program is executed from the and line with the following parameters: C:\> myExam.exe Exams are fun butput it will produce in the terminal window in the space provided below. main (int argc, char* argv[]) int counter; for (counter = 1; counter < argc; counter++) { printf ("argv[id]: %s\n", counter, argv[counter]); } return 0; Terminal Window "1. Discuss the chemical bonds that comprise nucleic acids,detailing the bonds involved in polymerization, DNA replication,and translation. The area of the ellipse is given as A=ab. Find the area of the ellipse 25x^2+16y^2-100x+32y=284. (with solution)