Brody is going to invest $350 and leave it in an account for 18 years. Assuming the interest is compounded daily, what interest rate, to the


neatest tenth of a percent, would be required in order for Brody to end up with $790?

The probability that the first survey indicates four children in the family and the second survey indicates one child in the family is 1/50.

We have,

To find the probability of the first survey indicating four children in the family and the second survey indicating one child in the family, we need to consider the number of surveys that fit this condition and divide it by the total number of possible surveys.

According to the table, the number of surveys indicating four children in the family is 8, and the total number of surveys is:

= 9 + 18 + 22 + 8 + 3 = 60.

Since the first survey is returned to the stack and can be chosen again, the probability of the first survey indicating four children in the family is 8/60.

For the second survey, there are 9 surveys indicating one child in the family (as the first survey is returned to the stack and can be chosen again), and the total number of surveys remains 60.

Therefore, the probability of the second survey indicating one child in the family is 9/60.

To find the probability of both events occurring, we multiply the individual probabilities:

Probability = (8/60) x (9/60) = 72/3600 = 1/50

Thus,

The probability that the first survey indicates four children in the family and the second survey indicates one child in the family is 1/50.

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The complete question:

Number of children in family     Number of surveys

one                                                      9

tqo                                                     18

three                                                  22

four                                                      8

five or more                                        3

The percent error in measuring if the actual length is 4.1 cm and the measured length is 3.9 cm is 4.88%

The error refers to the estimated difference between the measured and actual measurement of an object. Error is mainly of three types systematic errors, random errors, and negligent errors.

Measured length = 3.9

Actual length = 4.1

Error = actual value - measured value

= 4.1 - 3.9

= 0.2

Error percent is the ratio of error to the actual value multiplied by 100

Error percent = [tex]\frac{0.2}{4.1}[/tex] * 100

= 4.88%

Thus, the error percent in the given question comes out to be 4.88%

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Using the Maclaurin polynomial of degree 6, the approximation for the integral ∫³√(1+x²)dx from 0 to 0.4 is ≈ 0.41721.

To find the Maclaurin polynomial of degree 6 for the function g(x) = ³√(1+x²), we will use the binomial series expansion:

(1+x)^(n) = 1 + nx + (n(n-1)x²)/2! + (n(n-1)(n-2)x³)/3! + ...

In our case, n = 1/3, and x = x²:

g(x) = (1+x²)^(1/3) = 1 + (1/3)x² - (1/9)(2/3)x⁴/2! + (1/27)(2/3)(-1/3)x⁶/3! + ...

Now, we can write the Maclaurin polynomial of degree 6:

g(x) ≈ 1 + (1/3)x² - (1/27)x⁴ + (2/729)x⁶

To approximate the integral, we can integrate the polynomial from 0 to 0.4:

∫(1 + (1/3)x² - (1/27)x⁴ + (2/729)x⁶)dx from 0 to 0.4 ≈ [x + (1/9)x³ - (1/135)x⁵ + (1/2187)x⁷] evaluated from 0 to 0.4

Now, plug in the limits:

≈ [0.4 + (1/9)(0.4³) - (1/135)(0.4⁵) + (1/2187)(0.4⁷)] - [0 + (1/9)(0³) - (1/135)(0⁵) + (1/2187)(0⁷)]

≈ 0.4 + 0.01778 - 0.00059 + 0.00002

≈ 0.41721

Thus, using the Maclaurin polynomial of degree 6, the approximation for the integral ∫³√(1+x²)dx from 0 to 0.4 is ≈ 0.41721.

This can be evaluated using basic integration techniques to get an approximate value of the integral. This method is useful for approximating integrals that cannot be solved exactly, and the accuracy of the approximation can be improved by using higher degree Maclaurin polynomials.

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The height of the feeder is approximately 4 inches.

We can use the formula for the volume of a cone, which is V = (1/3)π[tex]r^{2}[/tex]h, where V is the volume, r is the radius, and h is the height. We know that V = 113.04 and r = 3, so we can solve for h:

113.04 = (1/3)*π*([tex]3^{2}[/tex])h

113.04 = 9πh

h = 113.04 / (9π)

h ≈ 4 inches

The y- intercept of a direct equation is the point where the line crosses the y- axis. It's the value of y when x is equal to 0.   To graph a direct equation, you can  compass the y- intercept on the y- axis, and  also use the  pitch to find other points on the line.

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Answer:

BE = 17

Step-by-step explanation:

We Know

BC = 12 and CE = 15

Find BE.

We Take

12 + 15 = 27

So, BE = 17

The maximum value represents (b) the point where most profits are made

Given that the graph is the graph of a company's profit

The maximum value represents (b) the point where most profits are made

Given that the graph is the graph of a company's profit

The x-intercept is when the profit = 0

So

The x-intercept represents (b) the price per pen where no profit is made

This is calculated as

Rate = [f(6) - f(3)]/[6 - 3]

So, we have

Rate = [0 - 120]/[6 - 3]

Rate = -40

The domain of this graph given the situation is (0, 6] because the values do not makes sense beyond those points

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The divergence of the vector field div((2[tex]x^2[/tex]L - sin(xz)) i + 5j - (sin(xz)) k) at all points where it is defined is: div(F) = 4x - z*cos(xz) - x*cos(xz).

To find the divergence of the given vector field, we need to apply the divergence operator to the vector field.

The divergence operator is given by the following formula:
div(F) = ∂Fx/∂x + ∂Fy/∂y + ∂Fz/∂z
Where F = (Fx, Fy, Fz) is the vector field.
Let's apply this formula to the given vector field:
F = (2[tex]x^2[/tex] - sin(xz)) i + 5j - (sin(xz)) k
div(F) = ∂Fx/∂x + ∂Fy/∂y + ∂Fz/∂z
      = (4x - zcos(xz)) + 0 + (-xcos(xz))
Therefore, the divergence of the given vector field is:
div(F) = 4x - zcos(xz) - xcos(xz)
This expression gives the divergence of the vector field at all points where it is defined.
In this case, the vector field is defined for all values of x, y, and z, so the divergence is defined for all points in space.
It is worth noting that the divergence of a vector field represents the rate at which the vector field flows out of a small volume of space surrounding a point.

If the divergence is positive, the vector field is flowing out of the volume; if it is negative, the vector field is flowing into the volume and if it is zero, the vector field is not flowing into or out of the volume.

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The divergence of the given vector field is div(F) = 4x - z × cos(xz) - x × cos(xz).

To find the divergence of the given vector field div( (2[tex]x^2[/tex] - sin(xz)) i + 5j - (sin(xz)) k), follow these steps:

Identify the components of the vector field:

F(x, y, z) = (2[tex]x^2[/tex]- sin(xz), 5, -sin(xz))

Compute the partial derivatives with respect to each variable:

∂F1/∂x = ∂(2[tex]x^2[/tex] - sin(xz))/∂x

∂F2/∂y = ∂(5)/∂y

∂F3/∂z = ∂(-sin(xz))/∂z

Calculate each partial derivative:

∂F1/∂x = 4x - z × cos(xz)

∂F2/∂y = 0

∂F3/∂z = -x × cos(xz)

Add the partial derivatives to find the divergence:

div(F) = ∂F1/∂x + ∂F2/∂y + ∂F3/∂z

div(F) = (4x - z × cos(xz)) + 0 + (-x × cos(xz))

Simplify the expression:

div(F) = 4x - z × cos(xz) - x × cos(xz)

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The fair price for annual premiums for the policy holders to pay is $288.42

To determine the fair price for annual premiums, we need to take into account the company's expenses and desired profit. The company's total expenses can be calculated as the sum of the claims paid, marketing expenses, and labor expenses:

Total expenses = Claims paid + Marketing expenses + Labor expenses

Total expenses = $38000 + $1750 + $6000

Total expenses = $45750

To calculate the fair price for annual premiums, we need to add the desired profit to the total expenses and divide by the number of policy holders:

Fair price = (Total expenses + Desired profit) / Number of policy holders

Fair price = ($45750 + 20% of $45750) / 190

Fair price = ($45750 + $9150) / 190

Fair price = $54900 / 190

Fair price = $288.42

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Answer:

The answer is -8

Step-by-step explanation:

Here's a key

()= Do first

/ = Divide

If something is outside the () and there is no symbol then multiply.

When x = 5 and dx = 0.1, the differential dy is approximately 96.375.

When x = 5 and dx = 0.2, the differential dy is approximately 192.75.

We can use the chain rule to find the differential of y with respect to x. Let u = 5x + 3, then y = tan(u).

Using the chain rule, we have:

dy/dx = dy/du * du/dx

Taking the derivative of y with respect to u, we have:

dy/du = sec^2(u)

Substituting u = 5x + 3, we have:

dy/du = sec^2(5x + 3)

Taking the derivative of u with respect to x, we have:

du/dx = 5

Substituting x = 5 and dx = 0.1, we have:

dy = dy/du * du/dx * dx

= sec^2(5(5) + 3) * 5 * 0.1

= 192.75 * 0.5

= 96.375

Therefore, when x = 5 and dx = 0.1, the differential dy is approximately 96.375.

Substituting x = 5 and dx = 0.2, we have:

dy = dy/du * du/dx * dx

= sec^2(5(5) + 3) * 5 * 0.2

= 192.75 * 1

= 192.75

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Answer:

the answer is A

Step-by-step explanation:

√3 = Irrational

√12 = Irrational

but if

√3 × √ 12 = √36 = 6 = rational

ABC4 base 16 is equal to 43972 in base ten (decimal).

In order to represent any given number, numerals might be numbers, symbols, figures, or sets of figures.

To convert the number ABC4 base 16 to a numeral in base ten (decimal), we can use the positional notation system. Each digit in the number represents a power of 16, starting from the rightmost digit.

The rightmost digit is 4, which represents 4 x 16⁰ = 4 x 1 = 4.

The next digit is C, which represents 12 (since C is equivalent to the decimal number 12), and it is in the second position from the right. So the value of the second digit is 12 x 16¹ = 12 x 16 = 192.

The next digit is B, which represents 11, and it is in the third position from the right. So the value of the third digit is 11 x 16² = 11 x 256 = 2816.

The leftmost digit is A, which represents 10, and it is in the fourth position from the right. So the value of the fourth digit is 10 x 16³ = 10 x 4096 = 40960.

Now we can add up the values of each digit to get the decimal equivalent of the number:

4 + 192 + 2816 + 40960 = 43972

Therefore, ABC4 base 16 is equal to 43972 in base ten (decimal).

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Fred purchased more 2. 45 liters of laundry detergent than bleach is false statement, Fred took 450 milliliters more fabric softener than bleach is false, Fred placed 220 milliliters more laundry detergent than bleach is true, Fred has taken 0. 45 liters more fabric softener than bleach is false.

Fred in total bought 5 liters of liquid laundry detergent which is equal to 5000 milliliters. Then he  bought 3,250 milliliters of fabric softener and 2.8 liters of bleach which is equal to 2800 milliliters.
Fred purchased 45 milliliters more fabric softener than bleach. This statement is false because Fred bought 250 milliliters less fabric softener than bleach.

Fred bought 2.45 liters more laundry detergent than bleach. This statement is false because Fred bought 2.2 liters more laundry detergent than bleach.

Fred has taken 450 milliliters more fabric softener than bleach. This statement is false because Fred bought 250 milliliters less fabric softener than bleach.
Fred on the event of taking 220 milliliters more laundry detergent than bleach is considered a true statement because Fred bought 2200 milliliters more laundry detergent than bleach.

Fred on the event of taking 0.45 liters more fabric softener than bleach is considered a false statement due to the fact that Fred bought 0.25 liters less fabric softener than bleach.

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A smaller MAD indicates less variability in the data set, while a larger MAD indicates greater variability.

The mean absolute deviation (MAD) is a measure of the variability of a set of data. It measures the average distance between each data point and the mean of the data set.

In this case, the MAD of Mr. Zimmerman's class is 0.46. This means that, on average, each data point in the class is about 0.46 units away from the mean of the data set.

The MAD gives an idea of how spread out the data is from the mean, regardless of whether the data is positively or negatively deviated from the mean.

A smaller MAD indicates less variability in the data set, while a larger MAD indicates greater variability.

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The p-value for the hypothesis test is approximately 0.000006.

To find the p-value, we follow these steps:

1. State the null hypothesis (H0) and alternative hypothesis (H1):
  H0: p = 0.5
  H1: p > 0.5

2. Calculate the sample proportion (p-hat): p-hat = 120/200 = 0.6

3. Calculate the test statistic (z) using the formula: z = (p-hat - p) / √((p * (1 - p)) / n)
  z = (0.6 - 0.5) / √((0.5 * 0.5) / 200) ≈ 2.683

4. Find the corresponding p-value using a z-table or calculator. The area to the right of the test statistic (2.683) is approximately 0.000006.

Since the p-value (0.000006) is less than the significance level (typically 0.05), we reject the null hypothesis, indicating that the true proportion of apple weights larger than 100 grams is larger than 0.5.

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After solving the cost function, the cost of each small van is $8,500 and the cost of each large van is $15,000.

Let's use the variables x and y to represent the cost of a small van and a large van, respectively.

From the information given, we can set up a system of two equations:

5x + 2y = 72500

2x + 6y = 107000

We can solve for x and y by using any method of linear equations, such as substitution or elimination. Here, we'll use elimination:

Multiplying the first equation by 3 and the second equation by -1, we get:

15x + 6y = 217500

-2x - 6y = -107000

Adding these two equations, we eliminate the y variable:

13x = 110500

Dividing both sides by 13, we get:

x = 8500

Now we can use this value to find y:

5x + 2y = 72500

5(8500) + 2y = 72500

42500 + 2y = 72500

2y = 30000

y = 15000

Therefore, the cost of each small van is $8,500 and the cost of each large van is $15,000.

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Step-by-step explanation:

the gradient = the slope = the incline = ...

many different names for the same thing.

however you call it, it is the ratio

y coordinate change / x coordinate change

whet going from one point on the line to another.

for questions like this we should look for points with integer coordinates (going through a vertex of the coordinate grid squares).

I see for example right at the left beginning (0, 1).

the next one is then (4, 2).

when going from (0, 1) to (4, 2) :

x changes by +4 (from 0 to 4).

y changes by +1 (from 1 to 2).

so, the slope or gradient is

+1/+4 = 1/4

Step-by-step explanation:

suppose 2 more variable y and z

The missing terms in the blanks  and number of terms  are determined below.

The missing terms in the blanks for the pattern and number of terms  can be determined as follows:

1. 32, 30, 28, 26, 32__________________________, 0

The difference is 2. Thus, subtract 2 till you reach 0. That is:

32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2, 0

Number of terms: 16

2. 75, 70, 65, 60, 55, 50, ____________________, 0

The difference is 5. Thus, subtract 5 till you reach 0. That is:

75, 70, 65, 60, 55, 50, 45, 40, 35, 30, 25, 20, 15, 10, 5, 0

Number of terms: 15

3. 30, 27, 24, 21, ___________________________, 0

The difference is 3. Thus, subtract 3 till you reach 0. That is:

30, 27, 24, 21, 18, 15, 12, 9, 6, 3, 0

Number of terms: 10

4. 81, 72, 63, ______________________________, 0

The difference is 9. Thus, subtract 9 till you reach 0. That is:

81, 72, 63, 54, 45, 36, 27, 18, 9, 0

Number of terms: 9

5. 48, 44, 40, 36, __________________________, 0

The difference is 4. Thus, subtract 4 till you reach 0. That is:

48, 44, 40, 36, 32, 28, 24, 20, 16, 12, 8, 4, 0

Number of terms: 12

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In order to create a sector with an area of 2 square units, we need to draw a central angle of approximately 24.4 degrees and a radius of approximately 1.49 units.

In order to create a sector with an area of 2 square units, we need to find the radius of the circle and then calculate the central angle that corresponds to an area of 2 square units.

Let's start by using the formula for the area of a circle, which is:

A = πr²

We know that the area of the circle is 7 square units, so we can write:

7 = πr²

Solving for r, we get:

r = √(7/π)

r ≈ 1.49

Now, we can use the formula for the area of a sector, which is:

A = (θ/360)πr²

where θ is the central angle in degrees.

To find the central angle that corresponds to an area of 2 square units, we can write:

2 = (θ/360)π(1.49)²

Solving for θ, we get:

θ ≈ 24.4 degrees

So, to create a sector with an area of 2 square units, we need to draw a central angle of approximately 24.4 degrees and a radius of approximately 1.49 units.

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Answer:

y=1.2x-6.4

Step-by-step explanation:

get slope

y2-y1/x2-x1

6.4 - 4.6/0-(-1.5)

1.8/1.5=1.2

get formula

y-y1=m(x-x1)

y-4.6=1.2(x-1.5)

y-4.6=1.2x-1.8

y-4.6=1.2x-1.8

y=1.2x-6.4

2/9 as a percentage is approximately 22.2%.

To convert the fraction 2/9 to a percentage, you simply need to divide the numerator (2) by the denominator (9) and then multiply the result by 100.

1. Divide the numerator by the denominator: 2 ÷ 9 ≈ 0.2222
2. Multiply the result by 100: 0.2222 × 100 = 22.22%

Now, to round the answer to one decimal place, we consider the second digit after the decimal point. In this case, it's 2. Since it's less than 5, we can round down.

So, 2/9 as a percentage rounded to one decimal place is approximately 22.2%.

In summary, converting a fraction to a percentage involves dividing the numerator by the denominator and then multiplying the result by 100. Rounding to a specific decimal place helps in presenting the result in a more easily understandable form, especially when dealing with non-integer values.

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Answer:

179.3

Step-by-step explanation:

Rectangle:

L x W

10 x 14 = 140

Semicircle:

(π · r²) / 2

D = 10, r = 10 ÷ 2 = 5

(3.14 · 5²) / 2 = 39.25

Area of figure = 140 + 39.25 = 179.25 = 179.3 (rounding to tenth)

If the entrance of the tunnel is modeled by y = -1/18x^2 + 2x - 2 then the height of the tunnel is 16 feet.

The entrance of a tunnel can be modeled by the equation y = -1/18x^2 + 2x - 2, where x and y are measured in feet. To find the height of the tunnel, follow these steps:

1. Determine the vertex of the parabola, which represents the highest point (or the height) of the tunnel.
2. The vertex can be found using the formula: x_vertex = -b / (2a), where a and b are the coefficients in the quadratic equation y = ax^2 + bx + c.

In this case, a = -1/18 and b = 2. So:

x_vertex = -2 / (2 * -1/18) = -2 / (-1/9) = 18

3. Now that we have the x-coordinate of the vertex, we can find the y-coordinate (height) by plugging the x_vertex value into the equation:

y = -1/18(18^2) + 2(18) - 2

4. Calculate the value of y:

y = -1/18(324) + 36 - 2 = -18 + 36 - 2 = 16

So, the height of the tunnel is 16 feet.

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The value of x is 2.8 The scale factor of left polygon to the right polygon, GKNM to RPTV is 1.4.

Since the two polygons GKNM and RPTV are similar, their corresponding sides are proportional. Thus, we can set up the following proportion

(GK + KN + NM)/GK = (RP + PT + TV + VR)/RP

Plugging in the given values and simplifying, we get

(8.4 + 3x - 2 + 4)/8.4 = (x + 5 + 3 + 3 + 6.3)/(x + 5)

15.4/(3x + 2.4) = (x + 17.3)/(x + 5)

Cross-multiplying and solving for x, we get

x = 2.8

To find the scale factor of GKNM to RPTV, we can divide the corresponding side lengths

(GK + KN + NM)/(RP + PT + TV + VR) = (8.4 + 3(2.8) - 2 + 4)/(2.8 + 5 + 3 + 3 + 6.3) = 1.4

Therefore, the scale factor of GKNM to RPTV is 1.4.

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The original height of the candle was approximately 26 inches. Rounded to the nearest inch, it will be 27 inches.

Formula for the surface area of a cylinder:

S = 2πrh + 2πr^2

where S is the surface area, r is the radius, and h is the height.

The radius is 2 inches and that the surface area after burning half the candle is 176 square inches. Substitute this values in the equation for surface area:

176 = 2π(2)(h/2) + 2π(2)^2

Simplifying:

176 = 2πh + 8π

168 = 2πh

h = 168/(2π)

h ≈ 26.75

So the original height of the candle was approximately 26 inches. Rounded to the nearest inch, the original height is 27 inches.

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To determine how many biscuit packages, pemmican packages, and butter and cocoa packages are needed per day for one person.

Calculating an individual's daily Caloric food requirements based on calorie intake and percentage of calories from each food group requires several pieces of information. The first is the total daily calorie requirement, which varies based on factors such as age, gender, height, weight, and physical activity level.

The second is the percentage of daily calories that should come from each food group, which is determined by dietary guidelines and varies based on factors such as age and gender. Finally, the calorie content of each food item must be known to determine how much of each food is needed to meet daily calorie and nutrient requirements.

Once these factors are known, it is possible to calculate how many biscuit packages, pemmican packages, and butter and cocoa packages are needed per day for one person. However, without knowing the specific calorie content and nutritional value of each food item, it is impossible to provide a specific answer.

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On the basis of given data & Using combining-functions, We can say that

a).The function P(x) which represents the price of a ticket can we given by where x represents the number of 0.75 price decreases= ($15 - 0.75x)

b). the function T(x) which represents number of tickets sold on a day

=(180 + 10x)

c). the revenue would be if the magician decides to sell the tickets for

$12 =  $ 2640

The process of composition, in which the result of one function becomes the input of another, allows us to create complex functions from basic ones. A complicated function may occasionally need to be broken down into two or more simpler ones, using the opposite method.

Given that:

Current price of ticket = $15

Average tickets sold per day = 180

Price decrease each time = $0.75

Number of price decreases = x

Total Price decrease = 0.75x

Increase in number of tickets with price decrease each time = 10

Total increase in number of tickets with x times price decrease = 10x

a). Function to represent total price of tickets

P(x) = current price - total price decrease  

      = ($15 - 0.75x)

Function to represent number of tickets T(x)

= average number of tickets+ total increase in tickets

= (180 + 10x)

b)Function to represent total revenue R(x) = total tickets x total price

                                                                      = T(x) . P(x)

                                                                      = (180 + 10x) ($15 - 0.75x)

c)Given that total price of tickets=$12

                                            P(x)=$12

                             ($15 - 0.75x) = $12

                                      - 0.75x  =  $12 - $15

                                       - 0.75x  =  - $3

                                              x = 3 ÷ 0.75

                                              x = 4 times

The number of times price decreased=4

Total tickets sold T(x) =(180 + 10x)

                                  =(180 + 10(4))

                                  =180+40

                                   =220 tickets

Total revenue= T(x) . P(x)

                    = 220 x 12

                    =$2640

Total revenue earned on 220 tickets at $12 is $ 2640

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The growth/decay factor is the base of the exponent, which is 0.80 in this case. The factor is less than 1, indicating that the output (y) decreases as the input (x) increases.

what is exponent ?

In mathematics, an exponent (also known as a power or index) is a number that indicates how many times a given number (the base) must be multiplied by itself.

In the given question,

The given exponential model is:

y = 200(0.80)ˣ

where:

y is the output (dependent variable)

x is the input (independent variable)

To determine whether the model represents exponential growth or decay, we need to examine the base of the exponent, which is 0.80 in this case.

If the base is greater than 1, then the model represents exponential growth, and if the base is between 0 and 1, then the model represents exponential decay.

In this case, the base of the exponent is 0.80, which is between 0 and 1. Therefore, the model represents exponential decay.

The growth/decay factor is the base of the exponent, which is 0.80 in this case. The factor is less than 1, indicating that the output (y) decreases as the input (x) increases. The factor represents the rate of decay per unit of the independent variable, which in this case is 0.80.

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