2x+y=-5

how do you put that on a line plot but solved

To find the gratuity for the florist quickly, Sheri could use estimation strategies. Two estimation strategies that Sheri could use are the front-end estimation method and the rounding method. Using these methods, Sheri can quickly find an estimate for the gratuity amount without having to calculate the exact total amount.

Sheri can use the front-end estimation method to find the gratuity for the florist quickly. In this method, she would look at the front digits of the total amount. For example, if the total amount is $47.25, she would look at the front digits 47. Then she can estimate the gratuity amount by multiplying 47 by a percentage. For example, if she wants to tip 20%, she can estimate the gratuity by multiplying 47 by 0.20 to get $9.40. This would give her an estimate for the gratuity amount.

To find the gratuity for the florist quickly, Sheri could use estimation strategies. Two estimation strategies that Sheri could use are the front-end estimation method and the rounding method. Using these methods, Sheri can quickly find an estimate for the gratuity amount without having to calculate the exact total amount. The front-end estimation method involves looking at the front digits of the total amount. For example, if the total amount is $47.25, she would look at the front digits 47. Then she can estimate the gratuity amount by multiplying 47 by a percentage. For example, if she wants to tip 20%, she can estimate the gratuity by multiplying 47 by 0.20 to get $9.40. This would give her an estimate for the gratuity amount.In conclusion, Sheri can use the front-end estimation method or the rounding method to estimate the gratuity for the florist quickly. These methods can help her find an estimate without having to calculate the exact total amount.

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The approximate area of the circular patch of land with a radius of 16 meters is D. 803.84 square meters.

To determine the approximate area of the circular patch of land, we need to apply the formula for the area of a circle, which is A = π * r^2. In this formula, A represents the area, π (pi) is a mathematical constant approximately equal to 3.14, and r is the radius of the circle.

Given that the radius of the patch is 16 meters, we can substitute this value into the formula. Calculating the area, we have A = 3.14 * (16^2) = 3.14 * 256 = 803.84 square meters.

Therefore, the approximate area of the circular patch of land with a radius of 16 meters is 803.84 square meters. This means that option D, 803.84 square meters, is the correct answer.

It's important to note that the result is an approximation since we used the value of π as approximately 3.14. In more precise calculations, the value of π can be taken to more decimal places for increased accuracy.


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After dilating Triangle ABC with a scale factor of 1/4, the new coordinates of A', B', and C' are A'(2,1), B'(3,1), and C'(4,3), respectively.

To dilate Triangle ABC with a scale factor of 1/4, we need to multiply the coordinates of each vertex by the scale factor.

Let's apply the scale factor to each coordinate:

A' = (8 * 1/4, 4 * 1/4)

  = (2, 1)

B' = (12 * 1/4, 4 * 1/4)

  = (3, 1)

C' = (16 * 1/4, 12 * 1/4)

  = (4, 3)

Therefore, after dilating Triangle ABC with a scale factor of 1/4, the new coordinates of A', B', and C' are (2,1), (3,1), and (4,3) respectively. The scale factor of 1/4 shrinks the original triangle by a factor of 1/4 in both the x and y directions, resulting in a smaller triangle with the new coordinates.

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When talking about a limit of a function at a particular point, it's significant to note that this means evaluating the function as the input approaches that point. It's worth noting that the point in question must be a limit point of the domain of the function for the function to have a limit.

An isolated point is one that doesn't have any other points near it in the domain of the function. Because of this, it makes no sense to consider the limit of a function at an isolated point of the domain of the function.

A limit is defined as the value that a function approaches as the input (x) approaches a certain point (c). This definition is simple enough, but it necessitates the function having values near that point in the domain. That is to say, there must be a sufficient number of points near the point c in the domain such that we can talk about the input approaching c without going out of the domain.

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The tax revenue that Australia generate each year by instituting a income tax is $96,054,697,991. The Option C.

Tax revenue is the income that is collected by governments through taxation. To know the tax revenue, we will multiply the working population by the average salary and then multiply that by the tax rate.

Tax Revenue = (Working population) * (Average salary) * (Tax rate)

Tax Revenue = 11,565,470 * $26,450 * 0.314

Tax Revenue = $96,054,697,991

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The average yearly temperature in New York is 56°F, while the average yearly temperature in Alaska is -11°F. This is because New York is located in a temperate climate zone, while Alaska is located in an arctic climate zone. The temperate zone has warm summers and cool winters, while the arctic zone has long, cold winters and short, cool summers.

The average temperature in New York is higher because it is closer to the equator and therefore receives more sunlight throughout the year. In contrast, Alaska is farther from the equator and receives less sunlight, leading to colder temperatures. Additionally, Alaska is known for its large snowfall amounts, which contributes to the low average temperature. New York and Alaska are two of the most popular states in the United States of America. The average yearly temperature in New York is 56°F, while the average yearly temperature in Alaska is -11°F. This is because New York is located in a temperate climate zone, while Alaska is located in an arctic climate zone.

The temperate zone has warm summers and cool winters, while the arctic zone has long, cold winters and short, cool summers. The average temperature in New York is higher because it is closer to the equator and therefore receives more sunlight throughout the year. In contrast, Alaska is farther from the equator and receives less sunlight, leading to colder temperatures. Additionally, Alaska is known for its large snowfall amounts, which contributes to the low average temperature. The difference in temperature between these two states is significant and can be attributed to various factors such as geography, climate, latitude, and distance from the equator. These factors impact the amount of sunlight that each state receives and, in turn, affect the overall temperature. Furthermore, these factors also influence other aspects of life, such as plant growth and wildlife, making each state unique.

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No, the function f(x) = πsin(3x) - 4xsin(2x) is not a sinusoid. A sinusoid is a function that can be represented by a sine or cosine function with certain characteristics.

In the given function f(x) = πsin(3x) - 4xsin(2x), we can see that there are two sine terms with different frequencies, 3x and 2x. This indicates that the function does not have a constant frequency, which is a requirement for a sinusoid. Additionally, the presence of the term -4x introduces a linear term, which further deviates from the sinusoidal form.

Therefore, due to the varying frequencies and the inclusion of a linear term, the function f(x) = πsin(3x) - 4xsin(2x) does not meet the criteria to be classified as a sinusoid.

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Based on the given data, Jocelyn could expect to have an average speed of approximately 6.9 minutes per mile on the 9th day.

To determine the expected average speed on the 9th day, we can analyze the trend in Jocelyn's average speed over the first six days. From the data provided, it can be observed that her average speed is gradually decreasing, indicating an improvement in her running performance.

By examining the given values, we can see that there is a consistent decrease in the average speed from 8.2 minutes per mile to 7.5 minutes per mile over the initial six days. Assuming this trend continues, we can expect Jocelyn's average speed to continue to decrease on the 9th day.

Therefore, it is reasonable to predict that Jocelyn's average speed on the 9th day would be approximately 6.9 minutes per mile, as the trend suggests a gradual improvement in her running speed. However, it's important to note that this is an estimation based on the given data, and actual results may vary.

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Therefore, the weight of B is 31 kg.

Let's solve the problem step by step.

1.Let's assign variables to the weights of the three individuals:

Weight of A = a

Weight of B = b

Weight of C = c

2.We are given that the average weight of A, B, and C is 45 kg:

(a + b + c) / 3 = 45

3.We are also given that the average of A and B is 40 kg:

(a + b) / 2 = 40

4.Additionally, we are given that the average of B and C is 43 kg:

(b + c) / 2 = 43

5.From equation 3, we can solve for a + b:

a + b = 2 * 40

a + b = 80

6.Substituting this value into equation 1:

(80 + c) / 3 = 45

7.Solving equation 6 for c:

80 + c = 3 * 45

80 + c = 135

c = 135 - 80

c = 55

8.Substituting the value of c into equation 4:

(b + 55) / 2 = 43

9.Solving equation 8 for b:

b + 55 = 2 * 43

b + 55 = 86

b = 86 - 55

b = 31

Therefore, the weight of B is 31 kg.

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The cost of one cherry pie is $7 and the cost of one pumpkin pie is $13. To find the cost of each cherry pie and each pumpkin pie, we can set up a system of equations based on the given information. Let's represent the cost of a cherry pie as 'c' and the cost of a pumpkin pie as 'p'.

From Lelia's sales, we can write the equation: 12c + 11p = 227.

From Saige's sales, we can write the equation: 2c + 3p = 53.

To solve this system of equations, we can use various methods such as substitution or elimination. Let's use the elimination method in this case.

Multiplying the second equation by 6 to make the coefficients of 'c' the same in both equations, we get:

12c + 18p = 318.

Now, subtracting the first equation from this new equation, we have:

(12c + 18p) - (12c + 11p) = 318 - 227,

7p = 91.

Dividing both sides by 7, we find p = 13.

Substituting this value of p back into either of the original equations, we can solve for c. Let's use the first equation:

12c + 11(13) = 227,

12c + 143 = 227,

12c = 227 - 143,

12c = 84,

c = 7.

Therefore, the cost of one cherry pie is $7 and the cost of one pumpkin pie is $13.

In conclusion, based on the given information and by setting up a system of equations, we found that one cherry pie costs $7 and one pumpkin pie costs $13.

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If Henry uses 1 1/2 cups of corn grits, he will need 3 cups of water.

The recipe calls for 1/4 cup of corn grits for every 1/2 cup of water. To find out how much water Henry will need if he uses 1 1/2 cups of corn grits, we can set up a proportion.

Let's assume x represents the amount of water needed in cups. The proportion can be written as:

1/4 cup of corn grits / 1/2 cup of water = 1 1/2 cups of corn grits / x cups of water

To solve the proportion, we can cross multiply:

(1/4) × x = (1 1/2) × (1/2)

Simplifying the right side of the equation:

(1/4) × x = (3/2) × (1/2)

x/4 = 3/4

To isolate x, we can multiply both sides of the equation by 4:

x = (3/4) × 4

x = 3

Therefore, if Henry uses 1 1/2 cups of corn grits, he will need 3 cups of water.

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Given the figure, we have to find the value of y.Using the angle sum property of a quadrilateral, we know that the sum of angles in a quadrilateral is 360 degrees.

Therefore:

∠A + ∠B + ∠C + ∠D = 360°

We know that

∠A = 600°,

∠B = 120°, and

∠C = 100°

∠A + ∠B + ∠C + ∠D = 360°

600° + 120° + 100° + ∠D = 360°

820° + ∠D = 360°

∠D = 360° - 820°

∠D = -460°

Since angle D is not possible to be negative, we know that there must be a mistake in the diagram. We need to make sure that the figure is correct before we can find the value of y.

Therefore, the value of y cannot be determined with the information given in the figure.

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The function being integrated and considering convergence at individual points and behavior at infinity, one can determine whether an integral converges or diverges.

To determine if an integral converges or diverges, one must analyze the behavior of the function being integrated and evaluate certain criteria.

When dealing with improper integrals (integrals with infinite limits or integrals of unbounded functions), there are two key criteria to consider: convergence at a single point and behavior at infinity.

Convergence at a single point: If the function being integrated has a finite value at a particular point within the integration limits, then the integral converges at that point. However, if the function approaches infinity or oscillates without settling on a specific value at that point, the integral diverges.

Behavior at infinity: For integrals with infinite limits, it is crucial to determine the behavior of the function as the variable approaches infinity. If the function approaches zero or a finite value as the variable grows indefinitely, the integral converges. However, if the function approaches infinity or oscillates without settling on a specific value, the integral diverges.

To apply these criteria effectively, it may be necessary to use additional techniques such as comparison tests (e.g., the limit comparison test, integral comparison test), the ratio test, the root test, or other methods tailored to specific functions or situations. These techniques allow for a more rigorous analysis of convergence or divergence.

Overall, by carefully examining the behavior of the function being integrated and considering convergence at individual points and behavior at infinity, one can determine whether an integral converges or diverges.

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The distance Jordan will bike in 3 hours and 6 minutes is approximately 28.33 miles.

In order to find the distance that Jordan will bike in 3 hours and 6 minutes, we need to use the formula;distance = speed × timeGiven that Jordan rides a bike at 8&2/3 mph, we convert the speed into an improper fraction.8&2/3 = 8 + 2/3 = 24/3 + 2/3 = 26/3 mphSubstituting the values given into the formula;distance = 26/3 × 3.1 (3 hours and 6 minutes converted to hours)= 26/3 × 3 1/17= 26/3 × (52/17)= 28.33 miles (approx.)

Therefore, Jordan will bike approximately 28.33 miles in 3 hours and 6 minutes.

Given that Jordan rides a bike at 8&2/3 mph, we can calculate how many miles he will bike in 3 hours and 6 minutes by using the formula;distance = speed × timeThe first step is to convert the speed given into an improper fraction.8&2/3 = 8 + 2/3 = 24/3 + 2/3 = 26/3 mphTo find the distance that Jordan will bike in 3 hours and 6 minutes, we need to convert the time given into hours.3 hours and 6 minutes is equivalent to 3.1 hours (We divide the minutes by 60 to convert them into hours; 6/60 = 0.1).Substituting the values given into the formula;distance = 26/3 × 3.1 (3 hours and 6 minutes converted to hours)=[tex]26/3 × 3 1/17= 26/3 × (52/17)= 28.33 miles[/tex](approx.)

Therefore, Jordan will bike approximately 28.33 miles in 3 hours and 6 minutes.

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The equations smaller number is -2 and the larger number is 3.

The smaller number as "x" and the larger number as "y". Based on the given information the following equations:

Six times the smaller number minus the larger number is -15:

6x - y = -15

Thirteen more than twice the smaller number is three times the larger number:

2x + 13 = 3y

A system of two equations use various methods, such as substitution or elimination.

use the substitution method to solve the system:

From equation 2),

2x - 3y = -13

express 6x from equation 1) in terms of y:

6x = -15 + y

x = (-15 + y) / 6

Substituting this value of x into equation 2)

2((-15 + y) / 6) - 3y = -13

Simplifying and solving this equation

(-30 + 2y) - 18y = -78

-16y = -48

y = 3

Substituting the value of y back into equation 1),  find the value of x:

6x - 3 = -15

6x = -12

x = -2

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The box slides along the rough surface for a distance of d meters. At the bottom of the ramp, the box has zero potential energy and maximum kinetic energy.

To determine the distance the box slides along the rough surface, we need to consider the conservation of energy and the effects of friction.

Initially, the box is at a height of 0.25 m and has potential energy given by mgyo, where m is the mass of the box (2.0 kg) and yo is the initial height (0.25 m). As the box slides down the frictionless ramp, the potential energy is converted into kinetic energy. At the bottom of the ramp, the box has zero potential energy and maximum kinetic energy.

Upon reaching the rough horizontal surface, the box encounters friction. The work done by friction results in the conversion of kinetic energy into thermal energy, reducing the box's speed.

To calculate the distance the box slides on the rough surface, we need to determine the work done by friction. The work done by friction is given by the equation work = force × distance. The force of friction can be calculated using the equation force = friction coefficient × normal force, where the normal force is equal to the weight of the box (mg).

Using the given friction coefficient (μ = 0.50) and the mass of the box (m = 2.0 kg), we can calculate the force of friction. Once we have the force of friction, we can calculate the work done by friction.

The work done by friction is equal to the change in kinetic energy of the box. We can equate this work to the initial kinetic energy and solve for the distance traveled (d). The initial kinetic energy is given by (1/2)mv², where v is the velocity of the box at the bottom of the ramp.

By solving the equation for the work done by friction and equating it to the initial kinetic energy, we can determine the distance the box slides along the rough surface (d).

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The statement that holds true is that for every 1 1/2 cups of cheese used, there should be 6 ounces of pasta.

Based on the given ratio of 1 1/2 cups of cheese to 6 ounces of pasta in the recipe, the following statement is true:

For every 1 1/2 cups of cheese used, there should be 6 ounces of pasta.

The ratio indicates the proportion or relationship between the amounts of cheese and pasta in the recipe. In this case, for each 1 1/2 cups of cheese, the recipe calls for 6 ounces of pasta. This means that the quantities of cheese and pasta are in a consistent and proportional relationship.

To illustrate this further, if you were to double the amount of cheese used in the recipe, you would also need to double the amount of pasta. For example, if you use 3 cups of cheese, you would need 12 ounces of pasta (2 times 6 ounces).

Therefore, based on the given ratio, the statement that holds true is that for every 1 1/2 cups of cheese used, there should be 6 ounces of pasta.

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Yes, the equation y - 250x = 500 represents the same relationship between the distance from the start of the trail and the elevation.

The given equation is y - 250x = 500.
The above equation is of the form y = mx + c, where m = slope of the line and c = y-intercept of the line.
Let us convert the given equation into the form y = mx + c, y - 250x = 500, y = 250x + 500. Now, we can see that this equation is of the form y = mx + c, where m = 250, which means that the slope of the line is 250 and the value of y-intercept is 500.

Thus, the equation y - 250x = 500 represents the relationship between the distance from the start of the trail and the elevation.

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The fully transformation that maps triangle A to triangle B involves a combination of translation, rotation, and scaling operations.

To map triangle A to triangle B, we can apply a series of transformations. First, we can perform a translation to move triangle A to the desired position. Translation involves shifting the entire triangle in a specific direction. Once the translation is applied, the vertices of triangle A will be in the correct position relative to triangle B.

Next, we can apply a rotation transformation to align the orientation of triangle A with triangle B. Rotation involves rotating the triangle around a specific point or axis. By adjusting the rotation angle, we can ensure that the corresponding vertices of the two triangles match up.

Finally, we can apply a scaling transformation to adjust the size of triangle A to match the size of triangle B. Scaling involves uniformly expanding or shrinking the dimensions of the triangle. By scaling triangle A appropriately, we can ensure that the corresponding sides of the triangles are proportional.

By combining these three transformations—translation, rotation, and scaling—we can fully map triangle A to triangle B, ensuring that the positions, orientations, and sizes of the triangles are aligned.

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If Susie spent $4. 57 on color and "black-white" copies for her project, then she made 8 color-copies.

Let us assume that Susie made "x" "color-copies",

The cost of each color copy is $0.44, so, total cost of color copies would be = 0.44x,

She made 7 more black-and-white copies than color copies, which means she made (x + 7) black-and-white copies.

The cost of each black-and-white copy is $0.07, so the total cost of black-and-white copies would be = 0.07(x + 7).

According to the information, Susie spent a total-amount of $4.57 on both color and black-and-white copies, which can be represented in equation form as :

So, 0.44x + 0.07(x + 7) = 4.57

0.44x + 0.07x + 0.49 = 4.57

0.51x + 0.49 = 4.57

0.51x = 4.57 - 0.49

0.51x = 4.08

x = 4.08 / 0.51

x = 8

Therefore, Susie made 8 color-copies for her project.

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The equation x^3 = y^5 represents a relationship between two variables, x and y, raised to different exponents. This equation states that the cube of x is equal to the fifth power of y.

To better understand this relationship, we can take the cube root of both sides to isolate x: x = y^(5/3). This equation shows that x is equal to the fifth root of y raised to the power of 5/3.

In simpler terms, it means that if we raise y to the power of 5/3 and then take the cube root of that result, we will obtain x.

This equation allows us to relate x and y and determine the value of one variable based on the value of the other.

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The expected payout is 5.625 cents, and the cost to play the game is 7 cents, it can be concluded that paying 7 cents to play this game is not fair. The expected payout is lower than the cost, resulting in a disadvantage for the player.

In this game, tossing 3 fair coins results in different payouts for the number of heads obtained. The payouts are 12 cents for 3 heads, 7 cents for 2 heads, and 4 cents for 1 head. The question is whether paying 7 cents to play this game is fair.

To determine if the game is fair, we need to compare the expected payout with the cost to play. Let's calculate the probabilities and payouts for each outcome. There are a total of 8 possible outcomes when tossing 3 coins: HHH, HHT, HTH, THH, TTH, THT, HTT, and TTT (H denotes a head, and T denotes a tail).

The probability of getting 3 heads is 1/8, so the payout for this outcome is 12 cents. The probability of getting 2 heads is 3/8 (HHH, HHT, HTH), so the payout for this outcome is 7 cents. The probability of getting 1 head is also 3/8 (TTH, THT, HTT), resulting in a payout of 4 cents. The probability of getting 0 heads (3 tails) is 1/8, resulting in a payout of 0 cents.

Now, let's calculate the expected payout by multiplying each outcome's probability with its corresponding payout and summing them up:

Expected payout = (1/8 * 12) + (3/8 * 7) + (3/8 * 4) + (1/8 * 0) = 1.5 + 2.625 + 1.5 + 0 = 5.625 cents.

Since the expected payout is 5.625 cents, and the cost to play the game is 7 cents, it can be concluded that paying 7 cents to play this game is not fair. The expected payout is lower than the cost, resulting in a disadvantage for the player.

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Answer:

The upper bound for the measure given as 2.0 km correct to the nearest 500 m is 2.25 km.

Step-by-step explanation:

If the measure is given as 2.0 km correct to the nearest 500 m, it means that the measure has been rounded to the nearest 500 m increment.

To find the upper bound, we need to determine the highest possible value within that rounding interval.

The nearest 500 m increment means that any value between 1.75 km to 2.25 km would round to 2.0 km.

Since we want to find the upper bound, the highest value within this range is 2.25 km.

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The function between the given functions f(x) = x² + 5x and

g(x) = 8x² - 1 can be found by adding the two functions together.

The function between f(x) and g(x) is,

f(x) + g(x) = x² + 5x + 8x² - 1

= 8x² + x² + 5x - 1

= 9x² + 5x - 1

Given,

f(x) = x² + 5x

and

g(x) = 8x² - 1

We need to find the function between the given functions.

Since f(x) and g(x) are polynomials, we can find their greatest common factor.

f(x) can be written as x(x + 5), and g(x) can be written as (2x)²- 1.

The greatest common factor of the two polynomials is,

x(x + 5) + (2x - 1)(2x + 1)

= x² + 5x + 4x - 1

= x² + 9x - 1

Therefore, the function between f(x) and g(x) is,

f(x) + g(x) = x² + 5x + 8x² - 1

= 8x² + x² + 5x - 1

= 9x² + 5x - 1

In conclusion, the function between the given functions f(x) = x² + 5x

and g(x) = 8x² - 1 is represented by the equation

f(x) + g(x) = 9x² + 5x - 1

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The correct option is D, which has the equation (y+13)²/144 - (x+5)²/25 = 1.

The hyperbola x²/16 - y²/9 = 1 has its center at (0, 0), its transverse axis along the x-axis, and its foci at (-c, 0) and (c, 0),

Where c is the distance from the center to the foci.

The formula for the distance from the center to the foci is c = √(a² + b²), Where a is the distance from the center to a vertex on the transverse axis, and b is the distance from the center to a vertex on the conjugate axis.

In this case,

a² = 16, so a = 4, and b² = 9, so b = 3.

Therefore, c = √(16 + 9) = 5.

So, we are looking for a hyperbola with one focus at (-5, 0) or (5, 0).

Option A has a focus at (13, 5) and a focus at (13, -5), so it does not have a focus in common with the given hyperbola.

Option B has a focus at (13, 5) and (13, -5), so it does not have a focus in common with the given hyperbola.

Option C has a focus at (13, 5) and (13, -5), so it does not have a focus in common with the given hyperbola.

Option D has a focus at (-5, -13) and (-5, 13), so it has a focus in common with the given hyperbola. Therefore, the correct answer is D.

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The complete question is:

Which hyperbola has one focus in common with the hyperbola  x²/16 - y²/9 = 1.

The total area of the roof that will need shingles is 660 square feet.

Construction projects often use the Pythagorean Theorem.

If you are building a sloped roof and you know the height of the roof and the length for it to cover, you can use the Pythagorean Theorem to find the diagonal length of the roof's slope.

In order to find the diagonal length of the roof's slope, we must use the

Pythagorean Theorem which is: a² + b² = c²,

where a and b are the sides of a right triangle, and c is the hypotenuse.

Given that the roof has a vertical height of 8 feet and the house has a width of 20 feet, we need to calculate the diagonal length of the roof top.

We can use the Pythagorean Theorem to find the length of the roof's diagonal, which is represented by the hypotenuse of the right triangle.
Therefore,
a = 8 feet and b = 20 feet
c² = a² + b²
c² = 8² + 20²
c² = 64 + 400
c² = 464
c ≈ 21.54
The diagonal length of the roof top is ≈ 22 feet.
The horizontal length of the roof is 30 feet.

The total area of the roof that will need shingles can be calculated by multiplying the horizontal length of the roof by the diagonal length of the roof.
Therefore,
Total area of the roof that will need shingles = Horizontal length × Diagonal length
Total area of the roof that will need shingles = 30 feet × 22 feet
Total area of the roof that will need shingles = 660 square feet

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Araceli had 20 minutes for a 3-problem quiz. She spent 11 7/10 minutes on question A and 3 2/5 minutes on question B, leaving her 5 1/5 minutes for question C. Effective time management is important during tests.

Araceli had 20 minutes to complete a three-problem quiz, and she spent 11 7/10 minutes on question A and 3 2/5 minutes on question B. To find out how much time she spent on question C, we can subtract the time she spent on question A and question B from the total time of 20 minutes:

20 minutes - 11 7/10 minutes - 3 2/5 minutes = 5 1/5 minutes

Therefore, Araceli spent 5 1/5 minutes on question C.

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The distance can be expressed in scientific notation as A. 3.31 × 10^27 light-years.

The distance of 331,000,000,000,000,000,000,000,000 light-years can be expressed in scientific notation by moving the decimal point to the left or right to create a number between 1 and 10. And then multiplying it by a power of 10. To determine the appropriate power of 10, we count the number of places the decimal point was moved. In this case, the decimal point needs to be moved 27 places to the left to create a number between 1 and 10. Therefore, the distance can be expressed in scientific notation as 3.31 × 10^27 light-years.

The correct answer is A. 3.31 × 10^26 light-years.

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The line of best fit equation in slope-intercept form is y = -4x + 120.

The line of best fit is used in mathematics, it is also known as a trend line or regression line. It is a straight line that is most likely to represent the given data and is used to summarize or describe a relationship between two variables.In order to get the equation of the line of best fit in slope-intercept form from the given data, we need to calculate the slope and the y-intercept.Using the given data, we can plot a scatter plot as shown below: scatter plot.

Therefore, we can see that there is a negative correlation between the variables. This means that as one variable increases, the other variable decreases.

Thus, the slope of the line of best fit can be calculated as:

Slope = rise/run = Δy/Δx

where Δy is the change in y (vertical change) and Δx is the change in x (horizontal change).

Let's choose two points on the line of best fit: (0,120) and (30,0).

Then, we can calculate the slope as:

Slope = Δy/Δx = (0 - 120)/(30 - 0) = -4

Therefore, the slope of the line of best fit is -4.

Now, let's find the y-intercept by using one point on the line of best fit: (0,120).

Then, we can use the point-slope form of a line:

y - y1 = m(x - x1)

where m is the slope and (x1, y1) is a point on the line of best fit.

Substituting

m = -4, x1 = 0, and y1 = 120

y - 120 = -4(x - 0)y - 120 = -4xy = -4x + 120

Thus, the equation of the line of best fit in slope-intercept form is: y = -4x + 120.

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If the value of a polynomial is 0 when x=5, then (x-5) must be a factor of the polynomial.

A polynomial is a mathematical expression consisting of variables (or indeterminates) and coefficients, combined using addition, subtraction, and multiplication operations.

Polynomials are widely used in mathematics and various fields such as physics, engineering, computer science, and economics. They play a crucial role in solving equations, interpolation, approximation, and modeling various phenomena. Polynomial equations are also studied extensively in algebra, and techniques like factoring, long division, synthetic division, and the quadratic formula are used to analyze and solve them.

Given that the value of a polynomial is 0 when x=5.

To find the expression which must be a factor of the polynomial we can use the factor theorem which states that:

If x-a is a factor of polynomial f(x), then f(a) = 0.So, if the value of a polynomial is 0 when x=5, then (x-5) must be a factor of the polynomial.

Hence, the required expression which must be a factor of the polynomial is (x - 5).

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