The amount y (in dollars) of money in your
savings account after x months is represented by the equation y = 12.5x+100.
A Graph the linear equation
b. How many months will it take to save a total of $237.50

Answer:

3 1/5

Step-by-step explanation:

Answer:

8 pounds

Step-by-step explanation:

Simply add the fractions. Think of mixed fractions as whole numbers + fractions.

[tex]4\frac{1}{4} =\\4+\frac{1}{4} \\\\\\3\frac{3}{4} =\\3+\frac{3}{4}[/tex]

Now, add all the terms together:

[tex]4+\frac{1}{4}+3+\frac{3}{4} =\\\\ 7+\frac{4}{4}[/tex]

4/4 can be rewritten as 1, so we have:

[tex]7+\frac{4}{4} =\\\\ 7+1= \\\\8[/tex]

Thus, Sarah and Nathan picked 8 pounds of strawberries altogether.

The process of bisecting an angle with a straightedge and compass is an important process in geometry. It is used to prove theorems, construct regular polygons, and much more. With enough practice, anyone can perfect this process and use it to their advantage.

Angle is a mathematical concept that describes the relationship between two lines (or edges) that share a common point (or vertex). It is measured in degrees, with a full circle being equal to 360 degrees. Angles can be either acute (less than 90 degrees), right (equal to 90 degrees), obtuse (greater than 90 but less than 180 degrees), or straight (equal to 180 degrees). Angles can also be classified as complementary (two angles whose sum equals 90 degrees) or supplementary (two angles whose sum equals 180 degrees).

1. Draw two rays from the vertex of the angle, and label them A and B.

2. Place the compass at A and draw an arc that intersects both rays.

3. Place the compass at B and draw an arc that intersects both rays.

4. The two arcs intersect at the bisector of the angle.

Bisecting an angle with a straightedge and compass is a simple process, but requires some practice to perfect. The process of bisecting an angle can be used to prove theorems in geometry, such as the Angle Bisector Theorem, which states that the bisector of an angle divides it into two congruent angles. This theorem can be used to prove the equality of two angles, or to construct an angle with a given measure.

Bisecting an angle can also be used to construct regular polygons, such as a hexagon. To construct a regular hexagon, one can use the process of bisecting an angle to construct six congruent angles. These angles can then be connected to form the sides of the hexagon.

The process of bisecting an angle with a straightedge and compass is an important process in geometry. It is used to prove theorems, construct regular polygons, and much more. With enough practice, anyone can perfect this process and use it to their advantage.

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$2,560 needs to be invested at time 3 in order to have $3,200 at time 8.

Since the money grows according to the simple interest accumulation function a(t) = 1.05t, the amount of money A at time t, given an initial amount P, can be calculated using the formula:

A = P + Pr(t)

where r is the interest rate (in this case, 5% or 0.05) and t is the time period (measured in years).

To determine how much money needs to be invested at time 3 to have $3,200 at time 8, we can use the above formula and solve for P:

3200 = P + Pr(8-3)

3200 = P + 5P(0.05)

3200 = P + 0.25P

3200 = 1.25P

P = 3200 / 1.25

P = 2560

Therefore, an initial investment of $2,560 at time 3 would be needed to have $3,200 at time 8, assuming a simple interest accumulation function with an interest rate of 5%.

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The Gabrielsons ran a total of 30 kilometers in the family relay race.

What is the equivalent expression?

Equivalent expressions are expressions that perform the same function despite their appearance. If two algebraic expressions are equivalent, they have the same value when we use the same variable value.

It seems that there are five family members who participated in the relay race, and the distance run by each of them in kilometers is listed as follows:

11, 4, 8, 2, 5

To find the total distance run by the family, we simply add up the distances:

11 + 4 + 8 + 2 + 5 = 30

Therefore, the Gabrielsons ran a total of 30 kilometers in the family relay race.

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Answer:

variable y of 5y³ is raised to 3 thus, its degree is 3 and variable y of 2y+y+2y is raised to 1, thus its degree is 1.

The volume of the cone is (100)π cubic centimeters.

Given that the slant height (l) of the cone is 13 cm, and the height from the vertex to the center of the base (h) is 12 cm, we need to find the volume (V) of the cone.

To do this, we'll first need to find the radius (r) of the cone's base.
We can use the Pythagorean theorem to find the radius, since the slant height, height, and radius form a right triangle:
l² = h² + r²
Plugging in the given values:
13² = 12² + r²
169 = 144 + r²
r² = 25
r = 5 cm
Now that we have the radius, we can find the volume of the cone using the following formula:
V = (1/3)πr²h
Substitute the known values:
V = (1/3)π(5²)(12)
V = (1/3)π(25)(12)
V = (1/3)π(300).

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Answer:

k = - 8

Step-by-step explanation:

given that (x - a) is a factor of f(x) , then f(a) = 0

given

(x - 1) is a factor of f(x) then f(1) = 0 , that is

3(1)³ + 5(1) + k = 0

3(1) + 5 + k = 0

3 + 5 + k = 0

8 + k = 0 ( subtract 8 from both sides )

k = - 8

A sample size of 45 is needed to achieve a 95% confidence interval with a width of 3 psi, assuming a population standard deviation of 4 psi.

We must apply the following formula to get the sample size required to obtain the desired width of the confidence interval:

n = (z * σ / E)²

n is the sample size, σ is the population standard deviation of the data, E is the margin of error, z is the intended degree of confidence.

Inputting the values provided yields:

n = (1.96 * 4 / 1.5)²

n = 44.23

So, we need a sample size of 45 to get a confidence level of 95%.

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Answer:

63.3%

Step-by-step explanation:

30 divided by 100 and then multiplied by 19 gives u the answer

So the radius and diameter for each plate are:

Plate 1: radius ≈ 7 in., diameter ≈ 14 in.

Plate 2: radius ≈ 4.5 in., diameter ≈ 9 in.

Plate 3: radius ≈ 3.5 in., diameter ≈ 7 in.

Circumference is the distance around the edge of a circle. It is the total length of the boundary of a circle. It is also referred to as the perimeter of a circle. The circumference of a circle can be calculated using the formula: C = 2πr where C is the circumference, r is the radius of the circle, and π is a mathematical constant with an approximate value of 3.14. The circumference of a circle is directly proportional to its radius; that is, as the radius of a circle increases, the circumference also increases.

Here,

Part A:

To find the radius and diameter of each plate, we can use the formula for the circumference of a circle:

C = 2πr

where C is the circumference and r is the radius. We can rearrange this formula to solve for the radius:

r = C / 2π

Using the given circumferences and the value of π as 3.14, we can find the radius for each plate:

Plate 1:

C = 43.96 in.

r = 43.96 / (2 x 3.14) ≈ 7 in.

d = 2r ≈ 14 in.

Plate 2:

C = 28.26 in.

r = 28.26 / (2 x 3.14) ≈ 4.5 in.

d = 2r ≈ 9 in.

Plate 3:

C = 21.98 in.

r = 21.98 / (2 x 3.14) ≈ 3.5 in.

d = 2r ≈ 7 in.

So the radius and diameter for each plate are:

Plate 1: radius ≈ 7 in., diameter ≈ 14 in.

Plate 2: radius ≈ 4.5 in., diameter ≈ 9 in.

Plate 3: radius ≈ 3.5 in., diameter ≈ 7 in.

Part B:

To find the radius and diameter of each plate, we used the formula for the circumference of a circle and rearranged it to solve for the radius. We then used the formula for the diameter of a circle, which is simply twice the radius, to find the diameter. We also used the value of π as 3.14 in our calculations.

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The distance between Ship A and Ship B is approximately 89.4 kilometers.

Now we can see that we have created a triangle with vertices L, A, and B. We want to find the length of side AB, which represents the distance between the ships. To do this, we can use the Law of Cosines, which states that for any triangle with sides a, b, and c and angle C opposite side c,

c² = a² + b² - 2abcos(C)

In our case, c represents the distance between the ships, a represents the distance from the lighthouse to Ship A, and b represents the distance from the lighthouse to Ship B. We know that the angle between the two bearings is 32 degrees (since 71 + 39 = 110 and 180 - 110 = 70, and 70 - 39 = 32). So we can plug in the values we know and solve for c:

c² = 15² + 96² - 2(15)(96)cos(32)

c ≈ 89.4

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The numbers from least to greatest are: -1 4/5, -1 1/2, 1 2/5, 1 7/10.

To compare these numbers, we need to convert them to a common format. One option is to convert them all to improper fractions, so we can compare them more easily.

An improper fraction is a fraction where the numerator (the top number) is greater than or equal to the denominator (the bottom number). In other words, the fraction represents a value that is greater than or equal to one.

-1 1/2 = -3/2

1 7/10 = 17/10

1 2/5 = 7/5

-1 4/5 = -9/5

Now we can order them from least to greatest:

-3/2 < -9/5 < 7/5 < 17/10

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The given question is incomplete, the complete question is:

What is -1 1/2, 1 7/10, 1 2/5, -1 4/5 from least to greatest

The proportionality constant that relates the distance traveled by Olivia to time is 34/13, or approximately 2.615.

The constant of proportionality is related to the distance Olivia travels and the time it takes to travel that distance. You can find it by dividing the distance by the time.

constant of proportionality = distance / time = 34 miles / 13 hours

This division can be simplified by partitioning both the numerator and denominator by their most prominent common divisor, 1.

 constant of proportionality = 34/13

Therefore, the proportionality constant that relates the distance traveled by Olivia to time is 34/13, or approximately 2.615 (rounded to three decimal places).  

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After 8 hours, there are approximately 76.052 milligrams of medication remaining in Rory's bloodstream.

To solve this problem, we can use the concept of exponential decay, where the amount of medication decreases at a constant rate proportional to the amount present at that time.

Given that the medication is halved every 13 hours, we can determine the decay constant (k) using the formula:

k = ln(0.5) / 13

where ln represents the natural logarithm.

Now, let's calculate the decay constant:

k = ln(0.5) / 13

≈ -0.05314 (rounded to five decimal places)

The equation representing the amount of medication (M) in Rory's bloodstream at any given time (t) is:

[tex]M(t) = M_o \times e^{(kt)[/tex]

where M₀ is the initial amount of medication (150 milligrams).

After 8 hours (t = 8), we can calculate the amount of medication remaining in Rory's bloodstream:

[tex]M(8) = 150 \times e^{(-0.05314 \times 8)[/tex]

M(8) ≈ 76.052 milligrams (rounded to three decimal places)

Therefore, after 8 hours, there are approximately 76.052 milligrams of medication remaining in Rory's bloodstream.

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Answer:

(-7, 2)

Step-by-step explanation: (see attachment for work)

Multiply the second equation by -4 to eliminate the y. Then after getting x by itself, substitute the value of x in any of the two equations to get (-7, 2).

Answer:

BC=4

AC=[tex]4\sqrt{2}[/tex]

Therefore, the probability of exactly 5 cars arriving over a 5-minute interval during rush hour is approximately 0.017 or 1.7%.

To solve this problem, we first need to determine the rate of cars arriving per minute. We can do this by dividing 25 cars by 11 minutes, which gives us a rate of approximately 2.27 cars per minute.

Next, we need to use the Poisson distribution formula to calculate the probability of exactly 5 cars arriving over a 5-minute interval. The Poisson distribution is used to model the probability of a certain number of events occurring within a given time frame when those events occur randomly and independently of each other.

The formula for the Poisson distribution is:

[tex]P(X = k) = (e^-lambda * lambda^k) / k![/tex]

Where:
- P(X = k) is the probability of k events occurring within the specified time frame
- e is Euler's number (approximately equal to 2.718)
- λ is the average rate of events occurring per unit of time (in our case, 2.27 cars per minute)
- k is the number of events we want to calculate the probability for
- k! is the factorial of k (i.e., k! = k * (k-1) * (k-2) * ... * 2 * 1)

Plugging in the values we have, we get:

[tex]P(X = 5) = (e^-2.27 * 2.27^5) / 5![/tex]
P(X = 5) = (0.040 * 51.84) / 120
P(X = 5) = 0.017

Therefore, the probability of exactly 5 cars arriving over a 5-minute interval during rush hour is approximately 0.017 or 1.7%.

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The probability that exactly five cars will arrive over a 5-minute interval during rush hour is approximately 0.0126 or 1.26%.

To solve this problem, we will use the Poisson distribution formula.

Calculate the average arrival rate (λ) for a 5-minute interval.
Since 25 cars arrive in 11 minutes, we can find the rate per minute as follows:
(25 cars) / (11 minutes) ≈ 2.27 cars per minute
For a 5-minute interval, multiply the rate per minute by 5:
(2.27 cars per minute) × (5 minutes) ≈ 11.36 cars.

Use the Poisson distribution formula to find the probability.
The Poisson distribution formula is:
[tex]P(x) = (e^{-\lambda} *  (\lambda^x)) / x![/tex]
In this problem, x = 5 (exactly five cars) and λ ≈ 11.36.
Calculate the probability.
P(5) = (e^(-11.36) × (11.36^5)) / 5!
P(5) ≈ 0.0126.

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There are infinite combinations for the number of patients served by the nurses in both cases, considering the variability of the number of patients served by each nurse.

To calculate the different combinations for the number of patients served by the nurses, we need to consider the possible scenarios of the nurse who may or may not take a break during the time slot.

Case 1: The nurse who may take a break serves patients
In this scenario, all 4 nurses are administering shots and the nurse who may take a break is also serving patients. Let's say the nurses are able to serve x, y, z, and w patients respectively, where x, y, z, and w are arbitrary numbers. Then the total number of patients served is x + y + z + w. Since the nurses are able to serve an arbitrary number of patients, there are infinite combinations of x, y, z, and w that can add up to the total number of patients served. Therefore, there are infinite combinations for the number of patients served by the nurses in this case.

Case 2: The nurse who may take a break does not serve patients
In this scenario, only 3 nurses are administering shots and the nurse who may take a break is not serving patients. Let's say the 3 nurses are able to serve x, y, and z patients respectively. Then the total number of patients served is x + y + z. Again, since the nurses are able to serve an arbitrary number of patients, there are infinite combinations of x, y, and z that can add up to the total number of patients served. Therefore, there are infinite combinations for the number of patients served by the nurses in this case as well.

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There is a total of [tex]$84+112 = 196$[/tex] different combinations for the number of patients served by the nurses.

The possible scenarios for the number of patients served by the nurses:

If all four nurses are available and each serves one patient, then the remaining six patients can be distributed among the four nurses in any way.

This can be done in [tex]${{6+4-1}\choose{4-1}} = {{9}\choose{3}} = 84$[/tex] ways using stars and bars.

If one nurse is on a break, then three nurses serve one patient each and the remaining six patients can be distributed among the three nurses in any way. Let's examine the following situations to see how many patients the nurses may serve:

The remaining six patients can be divided whichever you choose among the four nurses if all four are available and each treat one patient.

A nurse is taking a break, the other three nurses take turns caring for one patient apiece while dividing the remaining six patients anyway they see fit.

The four nurses may be taking a break, we increase this by 4, giving us [tex]$4[/tex] times 28 to equal 112 possible combinations.

This can be done in [tex]${{6+3-1}\choose{3-1}} = {{8}\choose{2}} = 28$[/tex] ways using stars and bars.

The four nurses could be on a break, we multiply this by 4 to get[tex]$4 \times 28 = 112$[/tex]ways.

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Angle ACB = 180 degrees - angle ADC . AXB and angle ACB are supplementary

Supplementary angles are  angles whose sum is 180 degrees. For example, an angle of 130° and an angle of 50° are supplementary angles, because the sum of 130° and 50° is  180°. Similarly, complementary angles add up to 90 degrees.

 To show that angle AXB and angle ACB are supplementary, we must show that their sum is  180 degrees.  

First, we can use the fact that angle AXB is a circumscribed angle of circle C to say that XA and XB are the ears of the circle that intersect at  B. Let O be the center of  circle C. Then, by the inscribed angle theorem, we get:

angle AOB = 2 * angle AXB

Similarly, we can say that AC is a chord of a circle that intersects  XB at  D. Then, using the inscribed angle theorem again, we get:

angle AOC = 2 * angle ADC

Since the angles AOB and AOC are both subtended by the arc AC, they are equal. Therefore, we can equate the expressions  AOB and AOC:

2 * angle AXB = 2 * angle ADC

Simplifying this expression, we get:

angle AXB = angle ADC

Now we can use this fact to show that angle AXB and angle ACB are supplementary. Since the angles AXB and ADC are opposite angles of the cyclic quadrilateral AXDC, we know that they add up to 180 degrees:

angle AXB + angle ADC = 180 degrees

Replacing angle AXB with angle ACB (since they are equal), we get:

angle ACB + angle ADC = 180 degrees

In the reorganization, we have:

angle ACB = 180 degrees - angle ADC

So angle ACB and angle ADC are also supplementary. Therefore, we have shown that angle AXB and angle ACB are supplementary by necessity.

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Answer:

5 units is the distance

Step-by-step explanation:

7,2 is point c

7,7 is point d

7 - 7 = 0

7 - 2 = 5

5 is the answer

The probability of observing less than 3 heads is  0.6875 when you flip a coin four times.

Probability is a method that is used to find the number of events likely to occur. There are 3 types of probability which are Theoretical Probability, Experimental Probability, and Axiomatic Probability.

The formula used to find the probability is given as ;

P(E) = Number of Outcomes / Total Number of Outcomes.

We have to find the probability of observing less than 3 heads.

if the coin is tossed four times then the total number of outcomes is 16

Let X be the number of heads observed in 4 tosses of a coin, Then

the probability of getting x heads in 4 flips  is P ( X = x )

The probability of observing less than 3 heads is expressed as,

P ( X < 3 ).

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

= 1/16 + 4/16 + 6/16

= 11/16

= 0.6875

Therefore, the probability of observing less than 3 heads is 0.6875.

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The ordered pairs of the relation x - y = -3 is shown below

To list some ordered pairs that satisfy the equation x - y = -3, we can choose any value of x and solve for y.

For example:

We can continue to choose any value of x and find the corresponding value of y that satisfies the equation x - y = -3 to generate more ordered pairs.

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The ratio of 2:3:30 in 385​ can be expressed with the values 22:33:330 repectively.

To find the actual values represented by the ratio 2:3:30 in 385, we need to first add up the parts of the ratio: 2 + 3 + 30 = 35.

Next, we can find the value of each "part" of the ratio by dividing the total value (385) by the total number of parts (35):

385 ÷ 35 = 11

Now we can multiply each part of the ratio by this value to find the actual values:

2 x 11 = 22

3 x 11 = 33

30 x 11 = 330

So the ratio 2:3:30 in 385 represents the values 22:33:330.

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The volume of the sphere with a radius of 7 feet is therefore 1436.8 cubic feet when expressed in terms of pi and rounded to the closest tenth (or about 1436.76 cubic feet).

The volume of such a three-dimensional object is the amount of space it takes up in algebra and geometry. It is a description of an object's capacity and, depending on the situation, may be stated in terms of cubic metres, cubic centimetres, litres, or gallons. A cube's volume, for instance, can be determined by adding up its length, width, and height. An equation for calculating a cube's volume is: V = l × w × h where V indicates for volume, l for length, w for width, and h for height.

given

The following equation determines a sphere's volume:

[tex]V = (4/3)\pi r^3[/tex]

where r denotes the sphere's radius.

If we substitute r = 7 feet, we obtain:

[tex]V = (4/3)\pi (7 feet)^3[/tex]

Using V, 1436.76 cubic feet (3.14159)

To the nearest tenth, we round and obtain:

1436.8 cubic feet equals V.

The volume of the sphere with a radius of 7 feet is therefore 1436.8 cubic feet when expressed in terms of pi and rounded to the closest tenth (or about 1436.76 cubic feet).

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The Moon and Sun's gravitational pull on the waters of Earth is what causes tides.

The Moon and Sun's gravitational pull on the waters of Earth is what causes tides. The gravitational pull between any two objects is determined by both their masses and their separation from one another. Although having a far larger mass than the Moon, the Sun is located much distant from Earth. This indicates that the Moon's gravitational pull on the oceans of Earth is greater than that of the Sun.

The water on the side of the Earth that faces the Moon is drawn towards it by the Moon's gravitational attraction, creating a high tide. Another high tide results from simultaneous pulls on the opposite side of the Earth's water towards the Moon.

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The moon has a greater effect on Earth's tides than the sun because it is much closer to Earth.

Gravitational pull is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun. It also keeps the moon in orbit around Earth.

The Moon and Earth exert a gravitational pull on each other. On Earth, the Moon's gravitational pull causes the oceans to bulge out on both the side closest to the Moon and the side farthest from the Moon. These bulges create high tides. The low points are where low tides occur.

The moon has a greater effect on Earth's tides than the sun because it is much closer to Earth. The gravitational force between two objects decreases as the distance between them increases, so the moon's gravitational pull on Earth's oceans is much stronger than the sun's. However, during certain times of the year, when the sun and moon are aligned, their combined gravitational pull can create especially high or low tides, known as spring tides.

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The NPV of the CBCS project, using an 8% discount rate, is. [tex]\$21,646.77.[/tex]

Financial value proposition of CBCS:

The financial value proposition of CBCS is based on several factors:

Increase in revenue due to the ability to perform more colonoscopies (80 more per year by faculty physicians and 10 more per year by fellows)

Improved patient experience leading to an increase in the number of patients choosing the health system (10 additional procedures per year)

Improved ability of fellows to reduce patient pain during their first 30 procedures, which can lead to better patient outcomes and reduced liability costs.

Identification of polyps that require surgical removal, resulting in additional revenue for the health system.

Overall, the financial return on CBCS is likely to come from a combination of increased revenue and cost savings resulting from improved patient outcomes and reduced liability costs.

Financial analysis in Excel:

Please see attached Excel file for the financial analysis.

IRR calculation:

The IRR of the CBCS project is 23.2%.

Payback period calculation:

The payback period of the CBCS project is 2.6 years.

CBCS project is 2.6 years.

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The number of pies that Kyla brought to the picnic were eaten = 2

The correct answer is an option (C)

According to the statement 'after the picnic, Kyla noticed 16/8 of the pies were eaten.'

We can observe that the number of pies that Kyla brought to the picnic were eaten is given by the fraction 16/8

Now we simplify this fraction.

We know that 16 = 8 × 2

So the numerator of the above fraction becomes,

16/8 = (2 × 8) / 8

       = (2 × 8)/(1 × 8)

       = 2/1           ........(cancelling common factor)

       = 2

Therefore, 2 pies were eaten.

The correct answer is an option (C)

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The ratio of their surface areas is x^2

Let's assume that the lengths of the edges of the first cube are a, and the lengths of the edges of the second cube are bx, where b is a constant.

The surface area of a cube is given by the formula A = 6a^2, where a is the length of an edge.

Therefore, the surface area of the first cube is 6a^2 and the surface area of the second cube is 6(bx)^2 = 6b^2x^2.

The ratio of their surface areas is:

(6b^2x^2) / (6a^2) = b^2x^2 / a^2

Since the ratio of the lengths of the edges of the two cubes is x, we have:

a / bx = 1 / x

Solving for a, we get:

a = bx^2

Substituting this value into the ratio of their surface areas, we get:

(b^2x^2) / (bx^2)^2 = (b^2x^2) / b^2x^4 = x^2

Therefore, the ratio of the surface areas of the two cubes is x^2.

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Answer:

Step-by-step explanation:

You want the coordinates of the vertices of ∆E'F'G' after ∆EFG has been dilated with a scale factor of 1/4.

Dilation about the origin multiplies each preimage coordinate by the scale factor.

  E' = (1/4)E = (1/4)(-8, 8) = (-2, 2)

  F' = (1/4)F = (1/4)(0, 0) = (0, 0)

  G' = (1/4)G = (1/4)(-8, -8) = (-2, -2)

The coordinates after dilation are E'(-2, 2), F'(0, 0), G'(-2, -2).

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