Which of the word problems exemplify a linear function?

Question 8 options:

Kate rented a bicycle for $30 plus $1.50 per hour.


Pinocchio's nose grows about 20% of its size each time he lies. His nose was 2 inches long at the beginning.


The mean distance of the earth from the sun is 93 million miles. The distance varies by 1.6 million miles.

The property you are referring to is called the associative property of multiplication. According to this property, when multiplying three numbers, the grouping of the numbers does not affect the result. In other words, you can change the grouping of the factors without changing the product.

In the equation you provided: 3x(5x7) = (3x5)7

The associative property allows us to group the factors in different ways without changing the result. So, whether we multiply 5 and 7 first, or multiply 3 and 5 first, the final product will be the same.

The correct answer is:

x-intercept = -6, y-intercept = 3To

find the x-intercept, we set y = 0 and solve for x.

-3x + 6(0) = 18

-3x = 18

x = -6

Therefore, the x-intercept is -6.

To find the y-intercept, we set x = 0 and solve for y.

-3(0) + 6y = 18

6y = 18

y = 3

Therefore, the y-intercept is 3.

The correct answer is:

x-intercept = -6, y-intercept = 3

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Hamilton’s Method:A large chair store needs to assign 12 buyers to its five stores, with the number of employees for each store given below:5 buyers to store 1;3 buyers to store 2;2 buyers to store 3;1 buyer to store 4;1 buyer to store 5

A chair store needs to assign 12 buyers to its 5 stores. The number of employees for each store is shown below:

Hamilton’s Method: A large chair store needs to assign 12 buyers to its five stores, with the number of employees for each store given below:5 buyers to store 1;3 buyers to store 2;2 buyers to store 3;1 buyer to store 4;1 buyer to store 5; The number of buyers assigned to each store is as follows:

Store 1 gets 5 buyers Store 2 gets 3 buyers store 3 gets 2 buyers store 4 gets 1 buyer Store 5 gets 1 buyer Jefferson’s Method: To find out how many buyers should be assigned to each store using Jefferson’s Method, the following steps should be taken:

Step 1: Find the total number of buyers to be assigned

Step 2: Divide each store’s employee by the total number of employees

Step 3: Multiply the result of Step 2 by the total number of buyers store 1 gets 5.400 buyers store 2 gets 3.240 buyers store 3 gets 1.920 buyers store 4 gets 0.720 buyers store 5 gets 0.720 buyers

Webster’s Method: To find out how many buyers should be assigned to each store using Webster’s Method, the following steps should be taken:

Step 1: Find the total number of buyers to be assigned

Step 2: Divide each store’s employee by the total number of employees

Step 3: Multiply the result of Step 2 by the total number of buyers step 4: Round up the result of Step 3 to the nearest integer Store 1 gets 5 buyers store 2 gets 3 buyers store 3 gets 2 buyers store 4 gets 1 buyerStore 5 gets 1 buyerHill-Huntington's Method: To find out how many buyers should be assigned to each store using Hill-Huntington's Method, the following steps should be taken:

Step 1: Find the total number of buyers to be assigned

Step 2: Divide each store’s employee by the square root of the total number of employees

Step 3: Multiply the result of Step 2 by the square root of the total number of buyers store 1 gets 5 buyers Store 2 gets 3 buyers Store 3 gets 2 buyers Store 4 gets 1 buyer Store 5 gets 1 buyer

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The histogram accurately displays the data collected from Question #1 and provides useful insights into the distribution and range of opinions among the survey population.

Question 1 data:

4, 2, 3, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1

From the histogram, it can be observed that the data is approximately normally distributed with a mean of around 3. The distribution appears to be somewhat symmetrical with the majority of the data being between 2 and 4. The frequency of the value '1' and '5' is the least which implies that the occurrence of these values is very low.

The analysis of the data shows that the majority of the people surveyed chose answers that were in the middle range of the scale, between 2 and 4. This could indicate that the survey question was not highly polarizing and that the survey population had similar opinions on the subject matter.

However, it is also worth noting that there were a few outliers at both ends of the scale. This suggests that there were a few people who had very strong opinions about the topic and did not fall within the norm of the survey population.

Overall, the histogram accurately displays the data collected from Question  and provides useful insights into the distribution and range of opinions among the survey population.

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Cubic measurements are used to measure the volume of a cubic box, while volume measurements are used to measure the capacity of a three-dimensional object, whether solid or liquid.

Cubic measures and their relationship with volume measures. The terms cubic measures and volume measures are used in mathematics to represent three-dimensional magnitudes. Cubic measures are the units of measurement of a three-dimensional volume in a cubic box.

On the other hand, volume measurements are the units of measurement of the capacity of an object, whether it is a solid or a liquid.

The relationship between cubic measurements and volume measurements is explained by the fact that both are used to measure the amount of space an object occupies. In most cases, volume measurements are expressed in units such as cubic centimeters, cubic meters, milliliters, liters, gallons, and ounces.

In solids, volume measurements can be expressed in units such as cubic feet, cubic inches, and cubic yards. In summary, the relationship between cubic measurements and volume measurements lies in the fact that both are used to measure occupied space. for an object.

Cubic measurements are used to measure the volume of a cubic box, while volume measurements are used to measure the capacity of a three-dimensional object, whether solid or liquid.

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Answer:

see explanation

Step-by-step explanation:

the sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

a hexagon has 6 sides , then

sum = 180° × (6 - 2) = 180° × 4 = 720°

12

the polygon has 5 sides , so

sum = 180° × (5 - 2) = 180° × 3 = 540°

sum the interior angles and equate to 540

y + 90 + 120 + 90 + 110 = 540

y + 410 = 540 ( subtract 410 from both sides )

y = 130

13

the polygon has 7 sides , so

sum = 180° × (7 - 2) = 180° × 5 = 900°

sum the interior angles and equate to 900

p + 90 + 141 + 130 + 136 + 123 + 140 = 900

p + 760 = 900 ( subtract 760 from both sides )

p = 140

A statistically significant test result (p-value ≤ 0.05) supports the rejection of the null hypothesis, while a p-value greater than 0.05 suggests that there is not enough evidence to reject the null hypothesis.

The statement provided is not entirely accurate. A statistically significant test result with a p-value ≤ 0.05 indicates that the observed effect is unlikely to have occurred by chance alone, and it provides evidence to reject the null hypothesis. It does not necessarily mean that the test hypothesis is false, but rather that the data collected supports an alternative hypothesis.

The p-value represents the probability of obtaining a result as extreme as, or more extreme than, the observed result, assuming the null hypothesis is true. When the p-value is smaller than the predetermined significance level (often set at 0.05), it suggests that the observed effect is statistically significant and not likely due to random chance.

Conversely, a p-value greater than 0.05 does not necessarily mean that no effect was observed. It simply means that the observed effect is not statistically significant at the chosen significance level, and there is insufficient evidence to reject the null hypothesis. However, it is important to consider the specific context and limitations of the study when interpreting the results.

In summary, a statistically significant test result (p-value ≤ 0.05) supports the rejection of the null hypothesis, while a p-value greater than 0.05 suggests that there is not enough evidence to reject the null hypothesis.

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Based on the information provided, the inference that a significant number of students in the homeroom class plan to become soldiers is valid.

The teacher surveyed his homeroom class about their post-graduation plans. He found out that most of his students plan to become soldiers.

An inference is a conclusion that can be drawn from a given set of data. In this case, the inference that can be made is that a significant number of students in the homeroom class plan to become soldiers.Therefore, the inference is valid based on the data provided.

However, it is essential to keep in mind that the sample size in the homeroom class is relatively small and may not be representative of the entire population. If the teacher had surveyed a more extensive and diverse population, the results might have been different.

In conclusion, based on the information provided, the inference that a significant number of students in the homeroom class plan to become soldiers is valid. However, this may not apply to the entire population, and it is crucial to consider the sample size when drawing inferences.

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The Wronskian of the set {x, sin(2x), cos(2x)} is det(W) = 8x + 16sin^2(2x) + 4cos^2(2x). The Wronskian of a set of functions is a determinant that can determine linear independence or dependence of the functions.

To compute the Wronskian of the set {x, sin(2x), cos(2x)}, we arrange the functions in a matrix as follows:

W = | x sin(2x) cos(2x) |

| x' sin(2x)' cos(2x)' |

| x'' sin(2x)'' cos(2x)'' |

Here, the derivatives of the functions with respect to x are taken in the second and third rows. Taking the derivatives, we get:

W = | x sin(2x) cos(2x) |

| 1 2cos(2x) -2sin(2x) |

| 0 -4sin(2x) -4cos(2x) |

To compute the determinant of W, we expand it along the first row:

det(W) = x(2cos(2x)(-4cos(2x)) - (-2sin(2x))(-4sin(2x)))

- sin(2x)(1(-4cos(2x)) - 0(-4sin(2x)))

+ cos(2x)(1(-4sin(2x)) - 0(-4cos(2x)))

Simplifying the determinant, we get:

det(W) = 8x + 16sin^2(2x) + 4cos^2(2x).

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a.) The independent variable is the different types of music

b.) The dependent variable is the impact of listening felt by the rats

c.)An extraneous variable is the length of the maze.

d.) The control group is the rat in the quite room while the experimental groups are the ones in the maze listening to classical music, and listening to heavy metal music.

An independent variable is defined as the type of variable that cannot be manipulated by a researcher and isn't affected by what is being measured.

A dependent variable is the variable that can be manipulated by a researcher and is affected by what is being measured.

For question a.)

The independent variable is the different types of music

For question b.)

The dependent variable is the impact of listening felt by the rats

For question c.)

An extraneous variable is the length of the maze.

For question d.)

The control group is the rat in the quite room while the experimental groups are the ones in the maze listening to classical music, and listening to heavy metal music.

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The next step in drawing a 40° angle would be to: D. draw a mark on the paper at 40°

A protractor is a geometric tool used to measure and draw angles. It typically has a semi-circular shape with markings along the curved edge representing degrees or angles.

The next step in drawing a 40° angle after lining up the ray with the baseline and origin on the protractor is to draw a ray connecting the vertex (starting point) of the angle and the mark on the protractor corresponding to the 40° angle.

This ray will form the desired 40° angle with the baseline, completing the construction of the angle.

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We can conclude that `An(B-C) = AnB - AnC` using double inclusion proofs.

Given a universal set `U` and subsets `A`, `B` and `C`.To prove: `An(B-C) = AnB - AnC`.

Now, we can prove this statement by double inclusion proofs. Let `x` be an arbitrary element of `U`.

Proof of `An(B-C) ⊆ AnB - AnC`:

Suppose that `x ∈ An(B-C)`, then `x ∈ A` and `x ∈ B-C`.

By definition of `B-C`, we have `x ∈ B and x ∉ C`.

Therefore, `x ∈ B` and `x ∉ C` implies that `x ∈ B` and `x ∉ AnC`.

Therefore, `x ∈ AnB` and `x ∉ AnC` implies that `x ∈ AnB - AnC`.

Hence, we have shown that `An(B-C) ⊆ AnB - AnC`.

Proof of `AnB - AnC ⊆ An(B-C)`:

Suppose that `x ∈ AnB - AnC`, then `x ∈ AnB` and `x ∉ AnC`.

By definition of intersection, we have `x ∈ A and x ∈ B`.Now, since `x ∈ AnC`, we have `x ∈ A and x ∈ C`.Since `x ∈ A` is a common element, we can combine both sets `B` and `C` to get `B ∪ C`.

Now, since `x ∈ B ∪ C`, we can write this as `x ∈ B ∪ (U-C)` or `x ∈ B - C or x ∈ A ∩ (U-C)`.

Thus, `x ∈ An(B-C)`.Hence, we have shown that `AnB - AnC ⊆ An(B-C)`.

Therefore, we can conclude that `An(B-C) = AnB - AnC` using double inclusion proofs.

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no sorry its way to hard to answer this

The Wronskian of the set of functions {xln|xl|, x^2ln|xl|} is zero, indicating that the functions are linearly dependent.

To compute the Wronskian of a set of functions {y1, y2}, we arrange the functions as columns in a matrix and calculate the determinant of that matrix. In this case, we have the set of functions {y1, y2} = {xln|xl|, [tex]x^2[/tex]ln|xl|}.

Let's construct the matrix:

| xln|xl| x^2ln|xl| |

|---------------------|

| y1 y2 |

To calculate the Wronskian, we compute the determinant of this matrix:

W = | xln|xl| x^2ln|xl| |

|---------------------|

| y1 y2 |

Using the properties of determinants, we can expand this determinant along the first row:

W = (xln|xl|)(y2) - ([tex]x^2[/tex]ln|xl|)(y1)

Simplifying further, we have:

W = xy2ln|xl| - x^2y1ln|xl|

Now, substituting the given functions for y1 and y2, we have:

W = x(x^2ln|xl|)ln|xl| - x^2(xln|xl|)ln|xl|

Simplifying inside the parentheses:

W = x^3ln|xl|^2ln|xl| - x^3ln|xl|^2ln|xl|

Combining like terms:

W = 0

Therefore, the Wronskian of the set of functions {y1, y2} = {xln|xl|, x^2ln|xl|} is equal to zero. This implies that the functions are linearly dependent.

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A graph that represent the data is shown below, with the x-axis labeled time and the y-axis labeled temperature.

In Mathematics and Geometry, a graph is a type of chart that is typically used for the graphical representation of data points, end points or ordered pairs on both the horizontal and vertical lines of a cartesian coordinate, which are the x-axis and y-axis respectively.

In this scenario, we would use an online graphing calculator to label the x-axis of the cartesian coordinate with time (measured as hours before or after midnight) while the y-axis of the cartesian coordinate would be labeled temperature (measured in degree Celsius), and then plot the data points as shown in the image attached below.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

The slope of line N is -3/4.

To find the y-intercept of line M and the slope of line N, we need to understand their equations, which are in slope-intercept form: y = mx + b,

where m represents the slope and b represents the y-intercept.Line M is given by the equation:

y = -3x + 7. Here, we can see that the slope, m, is -3, and the y-intercept, b, is 7.

Therefore, the y-intercept of line M is 7.Line N is given by the equation: 3x + 4y = 8.

To find the slope of this line, we can solve for y:4y = -3x + 8y = (-3/4)x + 2

Here, we can see that the slope, m, is -3/4.

Therefore, the slope of line N is -3/4.

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The total number of possible arrangements when all the cubes are arranged in a line is 96.

To calculate the number of possible arrangements when all the cubes are arranged in a line.

we need to consider the total number of cubes and their quantities.

In this case, we have:

- 1 purple cube

- 2 blue cubes

- 2 red cubes

- 4 orange cubes

- 1 green cube

- 2 yellow cubes

To find the number of arrangements, we can use the concept of permutations. The formula for permutations is given by:

P(n) = n!

Where P(n) represents the number of permutations of n objects and n! denotes the factorial of n.

First, let's calculate the factorial of the total number of cubes:

[tex]n! = 1! * 2! * 2! * 4! * 1! * 2![/tex]

Calculating the factorials:

[tex]1! = 12! = 2 * 1 = 24! = 4 * 3 * 2 * 1 = 24[/tex]

Substituting the values back into the equation:

[tex]n! = 1 * 2 * 2 * 24 * 1 * 2 = 96[/tex]

Therefore, the total number of possible arrangements when all the cubes are arranged in a line is 96.

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Answer:

None of the answer choices

Step-by-step explanation:

Answer:

x ≥ 4

Step-by-step explanation:

The given statement is "The difference of 10 and a number is at most six".

Let "x" be the unknown number.

"The difference of 10 and a number" can be represented as either "10 - x" or "x - 10", depending on whether x < 10 or x > 10.

"Is at most six" means it is less than or equal to six.

Therefore, we have two potential cases:

[tex]\begin{minipage}{3 cm}\underline{\sf Case\;1}:\;\textsf{If $x < 10$}\\\\\boxed{10 - x \leq 6}\end{minipage} \qquad \qquad\begin{minipage}{3 cm}\underline{\sf Case\;2}:\;\textsf{If $x > 10$}\\\\\boxed{x-10 \leq 6}\end{minipage}[/tex]

Solving the inequalities:

[tex]\boxed{\begin{aligned}\underline{\sf Case\;1}\\\\10 - x &\leq 6\\10 - x-10 &\leq 6-10\\-x &\leq -4\\x &\geq 4\end{aligned}}[/tex]      [tex]\boxed{\begin{aligned}\underline{\sf Case\;2}\\\\x-10&\leq 6\\x-10+10 &\leq 6+10\\x &\leq 16\\\\\end{aligned}}[/tex]

[Remember that when dividing both sides of an inequality by a negative number, we have to reverse the inequality sign.]

Therefore, the two possible solutions are:

If we take the statement "the difference between 10 and a number" as "10 - x" then the solution is x ≥ 4.

The limit lim ₓ → ₀ f(x) is 5

The squeeze theorem is used to evaluate a kind of limits. It is also known as the sandwich theorem.

To evaluate a limit lim ₓ → ₐ f(x), we usually substitute x = a into f(x) and if that leads to an indeterminate form, then we apply some algebraic methods.

But neither of them may work in evaluating some kind of limits such as lim ₓ → ∞ (sin x / x).

From the information given, we have that;

We know that lim ₓ → ₀ 5 - x² = 5 - 0²

lim ₓ → ₀ = 5

lim ₓ → ₀ 5 + x²

lim ₓ → ₀ = 5+ 0²

lim ₓ → ₀ = 5

Also, f(x) lies between 5 - x² and 5 + x².

Using the squeeze theorem, the limit for f(x) is;

lim ₓ → ₀ f(x) = 5.

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If you earn $1 every 500 seconds and work for a normal 8-hour day, you would have Earned $57.

To calculate the amount of money earned in a normal workday, we need to determine the total number of seconds in 8 hours and then divide it by the time it takes to earn $1.

There are 60 seconds in a minute and 60 minutes in an hour. Therefore, there are 60 x 60 = 3600 seconds in an hour.

To find the total number of seconds in 8 hours, we multiply the number of seconds in an hour by 8:

8 hours x 3600 seconds/hour = 28,800 seconds.

Next, we need to determine how many times $1 can be earned in 28,800 seconds. Given that $1 is earned every 500 seconds, we divide 28,800 by 500:

28,800 seconds ÷ 500 seconds = 57.6.

Since we cannot earn a fraction of a dollar, we round down to the nearest whole number. Therefore, you would have earned 57 dollars during the 8-hour workday.

In summary, if you earn $1 every 500 seconds and work for a normal 8-hour day, you would have earned $57.

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The cotangent of the angle θ  is 2√3/3

From the question, we have the following parameters that can be used in our computation:

sec θ = √7/2

To calculate the cotangent of the angle, we use the following identity

1 + tan² θ = sec² θ

So, we have

1 + tan² θ = (√7/2)²

Evaluate the exponent

1 + tan² θ = 7/4

Subtract 1 from both sides

tan² θ = 3/4

So, we have

tan θ = √3/2

Take the inverse of both sides

cot θ = 2/√3

Rationalize

cot θ = 2√3/3

Hence, the cotangent of the angle is 2√3/3

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The inequality value that would be able to show/x/ ≤ 5 is option A

In mathematics, inequality refers to a mathematical statement that expresses a relationship between two quantities, indicating that one quantity is greater than, less than, or not equal to the other.

The symbol that we have  is telling us that the value of the x would be less than  or it would be seen to be equal to five.

We can see that /x/ ≤ 5 would exclude the negative values and this can be seen in the option that is marked option A

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The correct conclusion based on the given statements is:

If the time is between 8:00 a.m. and 6:00 p.m., then people may swim or dive into the pool.

A conditional statement, also known as an "if-then" statement, is a type of logical statement that consists of two parts: a condition (the "if" part) and a result (the "then" part).

It expresses a cause-and-effect relationship, stating that if a certain condition is true, then a specific result or action will follow.

"If the time is between 8:00 a.m. and 6:00 p.m., then people may swim or dive into the pool." This conclusion follows from the given information that if the time is within the specified range, the public swimming pool is open, and if the pool is open, people are allowed to swim or dive into it.

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The ratio 2 to 7 written as a fraction in its lowest term is 2/7

To write the ratio 2 to 7 as a fraction in lowest terms, we can simply express it as a fraction thus :

Required Fraction = Numerator/ denominator = 2/7

Since there are no common factors other than 1 between 2 and 7, the fraction 2/7 is already in its lowest terms.

Hence, the fraction is 2/7

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The length of BL is approximately 7.9 units.

In triangle ABL, we are given that AL = 12, TS = 7.75, and SL = 5.1. We need to find the length of BL.

Since TS is parallel to AL, we can use the concept of similar triangles to solve this problem.

By drawing a line parallel to BL through point T, we create two similar triangles: triangle TSL and triangle ABL. The corresponding sides of similar triangles are proportional.

Let's denote the length of BL as x. Then we can set up the following proportion:

TS/AL = SL/BL

Substituting the given values:

7.75/12 = 5.1/x

To solve for x, we can cross-multiply and solve the resulting equation:

7.75 * x = 12 * 5.1

7.75x = 61.2

Dividing both sides of the equation by 7.75:

x = 61.2 / 7.75

x ≈ 7.9

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2 x 10^-8 is 5 x 10^-13 times smaller than 4 x 10^-4.In other words, 2 x 10^-8 is 500,000,000,000 (500 trillion) times Smaller than 4 x 10^-4.

To determine how many times smaller 2 x 10^-8 is than 4 x 10^-4, we can divide the two numbers and express the result in scientific notation.

First, let's divide 2 x 10^-8 by 4 x 10^-4:

(2 x 10^-8) / (4 x 10^-4)

To simplify this division, we can divide the numerical values and subtract the exponents:

2 / 4 = 0.5

10^-8 / 10^-4 = 10^(-8 - (-4)) = 10^-8 + 4 = 10^-12

Therefore, (2 x 10^-8) / (4 x 10^-4) simplifies to 0.5 x 10^-12.

Now, let's convert this result back to scientific notation:

0.5 x 10^-12 = 5 x 10^-13

Thus, 2 x 10^-8 is 5 x 10^-13 times smaller than 4 x 10^-4.

In other words, 2 x 10^-8 is 500,000,000,000 (500 trillion) times smaller than 4 x 10^-4.

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Answer:

Carole will need to save for about 4 weeks to afford the coat.

Step-by-step explanation:

$80 - $25 = $55

$55 / $15 = 3.67 (approximately)

Rounded up: 4

Jessica would have to drive 20 miles for the cost to rent a moving truck for one day to be the same at Rentals Plus and Speedy Move.

Let's assume the number of miles driven is represented by 'm'. The cost of renting a moving truck for one day at Rentals Plus can be calculated using the equation:

Cost at Rentals Plus = $5.24 + $4.46 * m

Similarly, the cost of renting a moving truck for one day at Speedy Move can be calculated using the equation:

Cost at Speedy Move = $85.24 + $0.46 * m

To find the number of miles that makes the costs equal, we can set up the equation:

$5.24 + $4.46 * m = $85.24 + $0.46 * m

By rearranging the equation, we can solve for 'm':

$4.46 * m - $0.46 * m = $85.24 - $5.24

$4 * m = $80

m = $80 / $4

m = 20

Therefore, Jessica would have to drive 20 miles for the cost to rent a moving truck for one day to be the same at Rentals Plus and Speedy Move.

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Answer: 9/4

Step-by-step explanation:

Reciprocal means flip the fraction

The reciprocal of 4/9  is  9/4

Answer: the rciprocal is 9/4

Step-by-step explanation: