A ramp at a dog park is made of three sections. The incline and decline pieces are the same length, 13√37 inches. The center is 10√41 inches long. What is the total length of the ramp? Give your answer as a radical expression.

Answers

Answer 1

The total length of the ramp is 222.18 inches

How to find the total length?

Let's denote the length of the incline and decline pieces by x, and use the given information to form an equation in terms of x:

Length of incline + length of decline = 2(13√37) inches

= 26√37 inches

The total length of the ramp is the sum of the lengths of all three sections:

Total length = Length of incline + Length of center + Length of decline

Total length = 26√37 inches + 10√41  inches

Total length = 222.18 inches

Therefore, the total length of the ramp is 222.18 inches

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Related Questions

Imagine that the price per gallon of gas with a $7 car wash is $3. 19 and the price without the car wash is $3. 39. When is it worth it to buy the car wash? When is it worth it if the car wash costs $2?

Answers

if we need to purchase more than 10 gallons of gas, it is worth it to buy the car wash that costs $2.

When is it worth buying a $7 car wash with gas priced at $3.19 per gallon instead of buying gas without a car wash priced at $3.39 per gallon?

With a car wash, the price per gallon is $3.19, which is $0.20 less than the price without a car wash ($3.39).

To determine whether it is worth it to buy the car wash, we need to calculate the cost savings per gallon by purchasing the car wash.

Cost savings per gallon = Price without car wash – Price with car wash

Cost savings per gallon = $3.39 – $3.19 = $0.20

So, if the car wash costs less than $0.20 per gallon, it is worth it to purchase it.

If the car wash costs $2, we need to determine how many gallons of gas we need to purchase in order for the cost savings to be greater than $2.

Let's assume we purchase x gallons of gas. The cost savings for purchasing the car wash will be:

Cost savings = x gallons × $0.20 per gallon = $0.20x

We want to find the value of x that makes the cost savings greater than $2:

$0.20x > $2

x > $2 ÷ $0.20

x > 10

Therefore, if we need to purchase more than 10 gallons of gas, it is worth it to buy the car wash that costs $2.

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1. The Daily Statesman newspaper costs $6. 00 per week. The newspaper currently has 700


subscribers. The newspaper wants to increase its revenue and estimates that it will lose 40


customers for every $0. 75 increase in price. What weekly subscription price will maximize the


newspaper's weekly income? Round the answer to the nearest hundredth.

Answers

The newspaper should increase its subscription price by $2.19 to maximize its weekly income and the new subscription price would be  $8.19 per week.

To maximize the newspaper's income, we need to find the price that will result in the highest revenue. Let's assume that the newspaper increases the subscription price by x dollars.

Then the revenue R(x) can be expressed as:
R(x) = (700 - 40x) * (6 + 0.75x)

Expanding the expression, we get:

R(x) = 4200 + 1050x - 240x^2

To find the price that maximizes revenue, we need to find the value of x that maximizes R(x). We can do this by taking the derivative of R(x) with respect to x and setting it equal to 0:

dR/dx = 1050 - 480x = 0

Solving for x,

x = 1050/480 = 2.1875

Therefore, the newspaper should increase its subscription price by $2.19 to maximize its weekly income. The new subscription price would be:

6 + 2.19 = $8.19 per week.

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I just need the answer to question 3

Answers

Answer:46.15% or rounded 46% of pulling a card higher than 8.

Step-by-step explantwenty. Well there are 6 cards higher than 8, which include 9, 10, jack, queen, king, and ace. There is 4 diffrent suites so do 6×4=24. Then do 24/52=0.4615

Answer: 46.15%

Shen will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $40 and costs an additional $0.30 per mile driven. The second plan has no initial fee but costs $0.80 per mile driven.

Answers

If Shen drives fewer than 80 miles, the first plan will be cheaper. If he drives more than 80 miles, the second plan will be cheaper.

Let's denote the number of miles driven by "m".

Under the first plan, Shen will pay an initial fee of $40, and then an additional $0.30 for each mile driven. So the total cost, C1, can be expressed as:

C1 = 0.3m + 40

Under the second plan, Shen will not have to pay an initial fee, but he will be charged $0.80 for each mile driven. So the total cost, C2, can be expressed as:

C2 = 0.8m

To determine which plan is cheaper for a given number of miles driven, we can set the two expressions for cost equal to each other and solve for "m":

0.3m + 40 = 0.8m

Subtracting 0.3m from both sides, we get:

40 = 0.5m

Dividing both sides by 0.5, we get:

m = 80

So if Shen drives fewer than 80 miles, the first plan will be cheaper. If he drives more than 80 miles, the second plan will be cheaper.

It's worth noting that this assumes that Shen is only considering the cost of the rental when making his decision. If there are other factors he is considering, such as convenience or availability, he may choose a different plan even if it ends up being slightly more expensive.

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A right rectangular prism has length 10 in. And width 8 in. The surface area of the prism is 376 in2. What equation can be used to find the height in inches?

Answers

The equation to find the height is 376 = 160 + 20h + 16h.

The height of the right rectangular prism is 6 inches.

We have,

Let's denote the height of the right rectangular prism as "h" inches.

The formula for the surface area of a right rectangular prism is:

Surface Area = 2lw + 2lh + 2wh

Given that the length (l) is 10 inches and the width (w) is 8 inches, and the surface area is 376 square inches, we can substitute these values into the formula:

376 = 2(10)(8) + 2(10)(h) + 2(8)(h)

Simplifying this equation:

376 = 160 + 20h + 16h

Combine like terms:

376 = 160 + 36h

Rearranging the equation to isolate "h":

36h = 376 - 160

36h = 216

Finally, divide both sides of the equation by 36 to solve for "h":

h = 216/36

h = 6

Therefore,

The height of the right rectangular prism is 6 inches.

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The probability that Mr Smith will have coffee with his breakfast is 0. 35. Find the probability that in the next 25 mornings, Mr Smith will have coffee on exactly 8 mornings

Answers

The probability that Mr Smith will have coffee on exactly 8 mornings out of the next 25 is 0.142, or 14.2%.

This scenario can be modeled by a binomial distribution, where:

The probability of success (having coffee) on any given morning is p = 0.35

The number of trials (mornings) is n = 25

The number of successes (mornings with coffee) we want to find the probability for is k = 8.

The probability mass function for a binomial distribution is given by:

[tex]P(X = k) = (n \: choose \: k) \times p^k \times (1-p)^{(n-k)},[/tex]

where (n choose k) is the binomial coefficient, which represents the number of ways to choose k items out of n. It can be calculated as:

(n choose k) = n! / (k! × (n-k)!)

Using this formula and putting in the values we have,

[tex]P(X = 8) = (25 \: choose \: 8) \times 0.35^8 \times (1-0.35)^{(25-8)} [/tex]

[tex]P(X = 8) ≈ 0.142[/tex]

Therefore, the probability that Mr Smith will have coffee on exactly 8 mornings out of the next 25 is approximately 0.142, or 14.2%.

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Help me please I don’t know what to do

Answers

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)

6. (2.5 pts) at the beginning of week 5, they broke up. jack wanted to run off to the city with
diane, but diane said he was crazy. unfortunately, their relationship ended. both were
angry with each other. suppose we could somehow quantify and measure anger. let's
call the units "anger units". on the day of the break-up, jack had 100 anger units. every
week he lost 5% of his anger. recall that the growth factor needs to be the amount that
"stays on" jack (not the 5% that "comes off" jack). for example, after 1 week, he had 95
anger units. after 2 weeks he had 90.25 anger units, and so on. write an equation that
models jack's anger (let that be )) after t weeks.

Answers

We'll model Jack's anger in anger units after t weeks using an exponential decay equation, as he loses 5% of his anger every week.

To write an equation that models Jack's anger (let that be A(t)) after t weeks, we need to follow these steps:

1. Identify the initial amount of anger units (A0): Jack had 100 anger units at the beginning (t=0).
2. Determine the growth factor (1 - decay rate): Since Jack loses 5% of his anger every week, the growth factor is 1 - 0.05 = 0.95.
3. Set up the exponential decay equation: A(t) = A0 * (growth factor)^t.

By following these steps, the equation modeling Jack's anger after t weeks is:

A(t) = 100 * (0.95)^t

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What type of model does the data suggest?


x: 0,1,2,3,4


y: 2. 5,5,10,20,40



either constant, exponential or linear

Answers

The data suggests that the model is exponential.

When we look at the values of y, we see that they are increasing at a much faster rate as x increases. For example, when x increases from 1 to 2, y doubles from 5 to 10, and when x increases from 3 to 4, y doubles from 20 to 40. This is a characteristic of exponential growth where the rate of increase gets larger and larger as the quantity being measured gets larger.

We can also see this by looking at the ratio of consecutive terms in the y values. For example, the ratio of y(1) to y(0) is 5/2.5 = 2, and the ratio of y(2) to y(1) is 10/5 = 2, indicating a constant ratio. This is a characteristic of exponential functions where the ratio between consecutive terms is constant.

Therefore, based on the rapid growth rate and the constant ratio of consecutive terms, we can conclude that the model for this data is exponential.

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Charity can make 36 cupcake in 45 minutes. If she continues at this rate, how many cupcakes can she make in 8 hours?


a. 280 cupcakes b. 384 cupcakes c. 360 cupcakes d. 300 cupcakes

Answers

The total number of cupcakes charity can make in 8 hours is 384

The total number of cupcakes she can make in 45 minutes is 36

Cupcakes she can make in 1 minute = 36/45

Cupcakes she can make in 1 minute = 0.8

Cupcakes she can make in 8 hours

We will convert hours into minutes

1 hour = 60 min

8 hour = 8 × 60 min

8 hour = 480 min

Cupcakes she can make in 8 hours that is 480 min = 480 × 0.8

Cupcakes she can make in 8 hours = 384

Total number of cupcakes she can make is 384

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The figure shows the graphs of the functions y=f(x) and y=g(x). If g(x)=kf(x), what is the value of k? Enter your answer in the box given.

Answers

The value of k is -2

Let a line passes through the point [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]. Thus the equation of line can be given as,

[tex](y -y_1)=\frac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]......Eq.(1)

We have the information from the graph:

The graph of f(x) and g(x) are given in the problem.

The equation given is,

g(x) = k × f(x)

We have to find the value of k and also find the equation of f(x) and g(x).

The line y = f(x) lies on the points, (2,1) and (0,-3). Thus the equation of this line is,

Plug all the values in eq.(1)

[tex](y -(-3))=\frac{-3-1}{0-2}(x-0)[/tex]

[tex]y+3=\frac{-4}{-2}x[/tex]

y + 3 = 2x

y = 2x -3

So, it can be written as:

f(x) = 2x -3

The line y = f(x) lies on the points, (0,6) and (2,-2). Thus the equation of this line is,

[tex](y -6)=\frac{-2-6}{2-0}(x-0)[/tex]

[tex](y-6)=\frac{-8}{2}x[/tex]

(y- 6) = -4x

y = -4x + 6

It can be written as:

g(x) = -4x + 6

The equation given in the problem is:

g(x) = k × f(x)

Put all the values in above given equation:

-4x + 6 = k(2x - 3)

-2(2x - 3) = k × (2x - 3)

Compare the value of k :

k = -2

Hence, The value of k = -2

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For complete question, to see the attachment:

A researcher collected the number of letters in each of 200 first names. The data are found to be normally distributed with a mean of 5. 82 and a standard deviation of 1. 43.


What percentage of first names have seven letters or less?



79. 4%



82. 5%



84. 1%



99. 8%

Answers

If a researcher collected the number of letters in each of 200 first names, approximately 79.4% of first names have seven letters or less. Therefore, the correct answer is 79.4%.

To find the percentage of first names with seven letters or less, we will use the mean (5.82) and standard deviation (1.43) of the normally distributed data. We will calculate the z-score for a name with seven letters:

z = (7 - 5.82) / 1.43
z ≈ 0.83

Now, using a z-table or a calculator that can compute the cumulative distribution function (CDF) of a standard normal distribution, we find the probability associated with the z-score:

P(z ≤ 0.83) ≈ 79.4%

So, approximately 79.4% of first names have seven letters or less. The correct answer is 79.4%.

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Write the number in standard form. (8 × 10) + (1 × 1/10 ) + (6 × 1/1000 )

Answers

We can simplify the given expression first and then write it in standard form.

8 × 10 = 80

1 × 1/10 = 1/10

6 × 1/1000 = 6/1000 = 3/500

Adding these three values, we get:

80 + 1/10 + 3/500

To write this in standard form, we need to express it as a single number multiplied by a power of 10. We can do this by finding a common denominator for the fractions and adding them:

80 + 50/500 + 3/500 = 80 + 53/500

Now, we can write this as:

80.106

To express this in standard form, we move the decimal point to the left until there is only one non-zero digit to the left of the decimal point. We moved the decimal point 3 places to the left to get:

8.0106 × 10^1

Therefore, the number in standard form is 8.0106 × 10^1.

A park maintenance person stands 16 m from a circular monument. Assume that her lines of sight form tangents to the monument and make an angle of 56°. What is the measure of the arc of the monument that her lines of sight intersect?

Answers

The measure of the angle of the near arc of the monument that her lines of sight intersect with is 124°

What is the angle of an arc of a circle?

The angle of an arc of a circle is the angle formed by the two radii of the circle that intersects with the boundaries of the arc

The distance the park maintenance person stands from the monument = 16 m

The angle the lines of sight from the maintenance person that are tangent with the monument make where they intersect = 56°

Whereby the tangent lines from the monument to the maintenance person intersect and form an angle of 56°, we get that the tangent lines form two right triangles, please see the attached figure which is created with MS Excel;

The right triangles ΔABO and ΔACO are congruent by Leg Hypotenuse, LH, congruence rule

Therefore; ∠OAC ≅ ∠OBC

m∠OAC = m∠OBC (Definition of congruent angles)

Similarly, m∠BOA = m∠COA

However, m∠BAC = m∠OAC  + m∠OBC (Angle addition postulate)

m∠BAC = 2 × m∠OAC = 56°

m∠OAC = 56° ÷ 2 = 28°

m∠BOA = 90° - m∠OBC (Acute angles of a right triangle)

m∠BOA = 90° - 28° = 62°

Therefore, m∠BOA = m∠COA = 62°

The angle at the center = m∠BOC = m∠BOA + m∠COA

m∠BOC = 62° + 62° = 124°

Angle formed at the center of the monument, m∠BOC = 124°

The arc angle of a circle = The angle the radius of the arc forms at the center of the circle.

The measure of the arc close to the park maintenance person is 124°

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The distance from Atlanta, Georgia, to Boise, Idaho is 2,214 miles. The distance from Atlanta, Georgia, to Houston, Texas is 789 miles. How much farther is it from Atlanta to Boise than from Atlanta to Houston?

Answers

Answer:

1,425 miles

Step-by-step explanation:

To find out how much farther it is from Atlanta to Boise than from Atlanta to Houston, we need to subtract the distance from Atlanta to Houston from the distance from Atlanta to Boise:

[tex]\sf:\implies 2,214\: miles - 789\: miles = \boxed{\bold{\:\:1,425\: miles\:\:}}\:\:\:\green{\checkmark}[/tex]

Therefore, it is 1,425 miles farther from Atlanta to Boise than from Atlanta to Houston.

Which expression represents the surface area of the prism?

Choose 1 answer:

Choose 1 answer:

(Choice A)

2



6

+

12

+

8

+

8

2⋅6+12+8+82, dot, 6, plus, 12, plus, 8, plus, 8

A

2



6

+

12

+

8

+

8

2⋅6+12+8+82, dot, 6, plus, 12, plus, 8, plus, 8

(Choice B)

2



3

+

3



8

2⋅3+3⋅82, dot, 3, plus, 3, dot, 8

B

2



3

+

3



8

2⋅3+3⋅82, dot, 3, plus, 3, dot, 8

(Choice C)

3

+

3

+

12

+

8

+

8

3+3+12+8+83, plus, 3, plus, 12, plus, 8, plus, 8

C

3

+

3

+

12

+

8

+

8

3+3+12+8+83, plus, 3, plus, 12, plus, 8, plus, 8

(Choice D)

12

+

12

+

12

+

3

+

3

12+12+12+3+312, plus, 12, plus, 12, plus, 3, plus, 3

D

12

+

12

+

12

+

3

+

3

12+12+12+3+3

Answers

Options A and C are ruled out because they don't even represent legitimate expressions for a prism's surface area.   [tex]12 + 12 + 12 + 3 + 3.[/tex]Thus, option D is correct.

What is the surface area of the prism?

The expression that represents the surface area of the prism depends on the dimensions of the prism. However, we can use the formula for the surface area of a rectangular prism, which is:

Surface Area [tex]= 2lw + 2lh + 2wh[/tex]

where l is the length, w is the width, and h is the height of the prism.

Looking at the answer choices:

A)[tex]2.6 + 12 + 8 + 8 = 28.6[/tex]

B)[tex]2.3 + 3.8 = 6.1[/tex]

C)[tex]3 + 3 + 12 + 8 + 8 = 34[/tex]

D)[tex]12 + 12 + 12 + 3 + 3 = 42[/tex]

We can eliminate options A and C because they are not even valid expressions for the surface area of a prism.

Option B is a valid expression for the surface area, but it is not simplified.

Option D is also a valid expression for the surface area, and it is simplified.

Therefore, the answer is (D)  [tex]12 + 12 + 12 + 3 + 3.[/tex]

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The three inner circles are congruent

which measurement is closest to the

area of the largest outside circle in

square centimeters?

a 56. 52 cm

b 254. 34 cm

113 04 cm

5 cm

1,017 36 cm

Answers

The area of the largest outside circle in square centimeters is closest to e)1,017.36 cm².

The area of the largest circle is equal to the sum of the areas of the three inner circles and the area of the white region between them. Since the three inner circles are congruent, we can divide the white region into three equal parts. Let the radius of each inner circle be 'r'. Then, the radius of the largest circle is '3r'.

The area of the white region is the difference between the area of the square and the sum of the areas of the three congruent sectors. The area of each sector is (1/6)πr².

Therefore, the area of the white region is (9/4) r². Finally, we can use the formula for the area of a circle to find the area of the largest circle: A = π(3r)² + 3(1/6)πr² - (9/4) r² = (63/4)πr². If we substitute the value of r as 6 cm (since the diameter of the inner circle is 12 cm), we get the area of the largest circle as (63/4)π(6)² ≈ 1,017.36 cm²(e).

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David wants to buy a new bicycle that cost $295 before a 40% discount. He finds the cost


after the discount, in dollars, by evaluating 295 - 295(0. 40). His brother Michael finds the


same cost by evaluating 295(1 - 0. 40). What property can be used to justify that these two


expressions represent the same cost after the discount?

Answers

The expressions represent the same cost after the discount of 40%.

How to show that the two expressions 295 - 295(0.40) and 295(1 - 0.40) represent the same cost after the discount?

To show that the two expressions 295 - 295(0.40) and 295(1 - 0.40) represent the same cost after the discount, we can use the distributive property of multiplication over addition or subtraction.

The distributive property states that for any real numbers a, b, and c:

a(b + c) = ab + ac

a(b - c) = ab - ac

So, we can apply the distributive property as follows:

295 - 295(0.40)

= 295(1) - 295(0.40) [Multiplying 295 by 1]

= 295(1 - 0.40) [Using the distributive property]

Therefore, both expressions represent the same cost after the discount of 40%.

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Let f: R+R be a function that satisfies O 0. (a) Show that the series cosh(f(n)) ne1 diverges regardless of the rule for f. (b) Show that the series ( f(n) 2n3 - 1 converges regardless"

Answers

As we have proved that the series cosh(f(n)) ne1 diverges regardless of the rule for f, and that the series f(n) 2n³ - 1 converges regardless of the rule for f.

The comparison test states that if the terms of a series can be bounded below by a divergent series, then the given series also diverges.

In this case, we can bound the terms of cosh(f(n)) below by the series eⁿ. To see why, note that cosh(x) >= 1 for all x > 0. Thus, we have cosh(f(n)) >= 1 for all n. On the other hand, we know that e^x > 1 for all x > 0. Therefore, we have eⁿ > 1 for all n.

Since eⁿ diverges by the assumption that f satisfies O<f(), the comparison test tells us that cosh(f(n)) ne1 also diverges. Thus, the series cosh(f(n)) ne1 diverges regardless of the rule for f.

Moving on to the second part of the question, we are asked to show that the series ( f(n) 2n3 - 1 converges regardless of the rule for f. Again, we can use the comparison test to show convergence.

We can bound the terms of the given series by the series 1/n². To see why, note that for all n > 1, we have f(n) > 0 since the domain of f is restricted to R+. Thus, we have f(n)² < f(n) 2n³ - 1. Dividing both sides by n⁶, we get f(n)²/n⁶ < ( f(n) 2n³ - 1)/n⁶.

Now, note that the series 1/n² converges by the p-test (which states that the series 1/nᵃ converges if p > 1).

Therefore, by the comparison test, the series ( f(n) 2n³ - 1 also converges regardless of the rule for f.

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Complete Question:

Let f: R+R be a function that satisfies O<f() So for all x > 0. (a) Show that the series cosh(f(n)) ne1 diverges regardless of the rule for f. (b) Show that the series ( f(n) 2n3 - 1 converges regardless of the rule for f.

Are △abc and △def similar triangles? choose all that apply.



no, the corresponding sides are not proportional.


yes, the corresponding sides are proportional.


yes, the corresponding angles are all congruent.


no, the corresponding angles are not congruent.







assessment navigation

Answers

△ABC and △DEF are similar triangles if they have corresponding sides that are proportional and the corresponding angles are all congruent. Thus, the options that are applied are B and C.

Similar shapes are enlargements or shortening of other shapes using a scale factor.

Two triangles are said to be similar if the corresponding sides are proportional and the corresponding angles are the same. There are the following similarity criteria:

1. AA or AAA where all the angles are equal

2. SSS where all the sides are proportional to the corresponding sides

3. SAS where the corresponding sides and the angle between are proportional and congruent.

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The length of a rectangle is 6 ft longer than its width. if the perimeter of the rectangle is 64 ft, find its length and width

Answers

The length of the rectangle is 19 feet and its width is 13 feet.

Let's denote the width of the rectangle by w. Then, according to the problem statement, the length of the rectangle is 6 feet longer, which means it is equal to w + 6.

The perimeter of a rectangle is given by the formula:

perimeter = 2 × length + 2 × width

Substituting the expressions for length and width that we have just found, we get:

64 = 2 × (w + 6) + 2w

Simplifying the right-hand side:

64 = 2w + 12 + 2w

64 = 4w + 12

52 = 4w

w = 13

So the width of the rectangle is 13 feet. Using the expression for the length we found earlier, the length is:

length = w + 6 = 13 + 6 = 19

Therefore, the length of the rectangle is 19 feet and its width is 13 feet.

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A major corporation is building a 4,325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t years from now will be given by the following function.
P(t) = (45t^2 + 125t + 200)/t^2 + 6t + 40 (a) What is the current population (in number of people) of Glen Cove?
(b) What will be the population (in number of people) in the long run?

Answers

(a) To find the current population of Glen Cove, we need to substitute t = 0 in the given function.

P(0) = (45(0)^2 + 125(0) + 200)/(0)^2 + 6(0) + 40
P(0) = 200/40
P(0) = 5

Therefore, the current population of Glen Cove is 5,000 people (since the function is in thousands).

(b) To find the population in the long run, we need to take the limit of the function as t approaches infinity.

lim P(t) as t → ∞ = lim (45t^2 + 125t + 200)/(t^2 + 6t + 40) as t → ∞

Using L'Hopital's rule, we can find the limit of the numerator and denominator separately by taking the derivative of each.

lim P(t) as t → ∞ = lim (90t + 125)/(2t + 6) as t → ∞

Now, we can just plug in infinity for t to get the population in the long run.

lim P(t) as t → ∞ = (90∞ + 125)/(2∞ + 6)
lim P(t) as t → ∞ = ∞/∞ (since the numerator and denominator both go to infinity)

We can use L'Hopital's rule again to find the limit.

lim P(t) as t → ∞ = lim 90/2 as t → ∞
lim P(t) as t → ∞ = 45

Therefore, the population in the long run will be 45,000 people (since the function is in thousands).
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The point (-5,. 7) is located on the terminal arm of ZA in standard position. A) Determine the primary trigonometric ratios for ZA If applicable, make Sure yoU rationalize the denominator: b) Determine the primary trigonometric ratios for _B with the Same sine as ZA; but different signs for the other two primary trigonometric ratios If applicable, make sure you rationalize the denominator: c) Use a calculator to determine the measures of ZA and _B, to the nearest degree:

Answers

(a)We can use these values to calculate the primary trigonometric ratios:

sin(ZA) = o/h ≈ 0.139

cos(ZA) = a/h ≈ -0.998

tan(ZA) = o/a ≈ -0.14

(b) The same sine as ZA but different signs for the other two primary trigonometric ratios can be found by reflecting point (-5, 0.7) across the x-axis.

(c)We use inverse trigonometric functions on primary ratios ZA ≈ 7 degrees, B ≈ -7 degrees.

(a)How to calculate primary trigonometric ratios?

To determine the primary trigonometric ratios for ZA, we first need to find the values of the adjacent, opposite, and hypotenuse sides of the right triangle that contains point (-5, 0.7) as one of its vertices. We can use the Pythagorean theorem to find the hypotenuse:

h = sqrt((-5)² + 0.7²) ≈ 5.02

The adjacent side is negative since the point is to the left of the origin, so:

a = -5

The opposite side is positive since the point is above the x-axis, so:

o = 0.7

Now we can use these values to calculate the primary trigonometric ratios:

sin(ZA) = o/h ≈ 0.139

cos(ZA) = a/h ≈ -0.998

tan(ZA) = o/a ≈ -0.14

(b) How trigonometric ratios can be found by reflecting point?

To find a point B with the same sine as ZA but different signs for the other two primary trigonometric ratios, we can reflect point (-5, 0.7) across the x-axis. This gives us point (-5, -0.7), which has the same sine but opposite sign for the cosine and tangent:

sin(B) = sin(ZA) ≈ 0.139

cos(B) = -cos(ZA) ≈ 0.998

tan(B) = -tan(ZA) ≈ -0.14

(c) How to determine measures of nearest degree?

To find the measures of ZA and B to the nearest degree, we can use inverse trigonometric functions on their primary ratios. Using a calculator, we get:

ZA ≈ 7 degrees

B ≈ -7 degrees (Note: this is equivalent to 353 degrees since angles are periodic).

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1 pts How much bubble wrap is needed to cover a cylindrical vase that is 16 inches tall with a diameter of 6 inches?​

Answers

415 square inches of bubble wrap to cover the cylindrical vase that is 16 inches tall with a diameter of 6 inches.

To calculate how much bubble wrap is needed to cover the cylindrical vase, you will need to find the circumference and height of the vase.

First, calculate the circumference of the vase using the diameter of 6 inches:
Circumference = π x diameter
Circumference = 3.14 x 6
Circumference = 18.84 inches

Next, calculate the height of the vase which is given as 16 inches.

To find the surface area of the vase, you will need to multiply the circumference by the height and add the area of the circular bases. The formula for the surface area of a cylinder is:

Surface area = 2πr² + 2πrh
where r is the radius and h is the height.

Since the vase has circular bases, we can find the area of each base by using the formula:
Area of circle = πr²

Now, let's find the radius of the vase:
[tex]Radius = \frac{diameter}{2}[/tex]
[tex]Radius = \frac{6}{2}[/tex]
Radius = 3 inches

So, the area of each base is:

Area of base = π x (radius)²
Area of base = π x 3²
Area of base = 28.27 square inches

The total area of the two bases is 2 x 28.27 = 56.54 square inches.

Now, let's find the surface area of the cylinder:

Surface area = 2πr² + 2πrh
Surface area = 2 x π x 3² + 2 x π x 3 x 16
Surface area = 113.1 + 301.44
Surface area = 414.54 square inches

Therefore, you would need approximately 415 square inches of bubble wrap to cover the cylindrical vase that is 16 inches tall with a diameter of 6 inches.

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The ratio of boys to girls in mrs. Cunninghams class is 2 to 3, there are 18 girls in the class. What is the total number of students in mrs. Cunninghams class

Answers

The total number of students in Mrs. Cunningham's class is 30.

From the question we know that the ratio of boys to girls in Mrs. Cunningham's class is 2 to 3 so we can write

no.of boys: no.of girls = 2:3

The total number of girls in the class is given as 18 so with this we can find out the number of boys in the class that is :

no.of boys= (2/3)*no.of girls in class

now after substituting the values in the equation, we get

no. of boys = (2/3) * 18

no.of boys = 12.

So, now we know the number of boys in the class that is 12 and the number of girls in the class is 18.

We can calculate the total number of students in the class which is equal to

= no.of boys + no.of girls.

= 12+18

=30

Therefore, the total number of students in Mrs. Cunningham's class is 30.

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Find the area of an equilateral triangle with apothem length .
if necessary, write your answer in simplified radical form.

Answers

The area of an equilateral triangle with apothem length 'a' is (1/4) * √3 * [tex]a^2[/tex].

How to find the area of an equilateral triangle?

Let's label the equilateral triangle as ABC. An apothem is a line segment from the center of the triangle to the midpoint of one of its sides, forming a right angle with that side. Let the apothem of the triangle be 'a'.

The apothem divides the equilateral triangle into two congruent 30-60-90 triangles, where the apothem is the hypotenuse of one of the triangles. The length of the apothem 'a' is also the height of each 30-60-90 triangle.

In a 30-60-90 triangle, the hypotenuse is twice the length of the shorter leg, and the longer leg is √3 times the length of the shorter leg. So, the length of the shorter leg is a/2, and the length of the longer leg (which is also the length of one side of the equilateral triangle) is √3 times the length of the shorter leg. Thus, the length of one side of the equilateral triangle is:

s = √3 * (a/2) = (√3 / 2) * a

The area of the equilateral triangle can be calculated using the formula:

A = (1/2) * base * height

where the base is one side of the equilateral triangle, and the height is the length of the apothem 'a'. Substituting the values we found, we get:

A = (1/2) * s * a = (1/2) * (√3 / 2) * a * a = (1/4) * √3 *[tex]a^2[/tex]

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PLSS HELPP!! The diagram shown is two intersecting lines. The measure of ∠2 is 29 degrees.

(a) What is the measure of ∠4? how do you know? Explain your answer in complete sentences.

(b) Suppose the measure of ∠3 can be represented by (3x - 8). What equation can be written to solve for the value of x?

(c) What is the value of x? show all work

Answers

The measure of ∠4 is 151°.

The equation that can be used to solve for the value of x is: 3x - 8 = 151°

The value of x is 53.

What is the measure of ∠4?

(a) The measure of ∠4 is found as follows:

∠2 + ∠4 = 180° ( sum of angles on a straight line)

However, ∠2 = 29°

29° + ∠4 = 180°

∠4 = 180° - 29°

∠4 = 151°

(b) The equation that can be used to solve for the value of x is found as follows:

∠3 = ∠4 ( vertical angles are equal)

Substituting for ∠3 = 3x - 8 and ∠4 = 151°,

3x - 8 = 151°

(c) The value of x is detremined as follows:

3x - 8 = 151°

3x = 159°

x = 53

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Will upvote if answer is correct.
Find the surface area of revolution about the x-axis of y = 4x + 2 over the interval 2

Answers

The surface area of revolution about the x-axis of y=4x+2 over the interval 2 is approximately 88.99 square units.

How to find the surface area of revolution

To find the surface area of revolution about the x-axis of y=4x+2 over the interval 2, we first need to express the equation in terms of x.

Rearranging the equation, we get x = (y-2)/4.

Next, we need to determine the limits of integration.

Since we are rotating about the x-axis, the limits of integration are the x-values, which in this case are 0 and 2.

Using the formula for the surface area of revolution, S = 2π∫(y√(1+(dy/dx)^2))dx, we can plug in the values we have found.

dy/dx for y=4x+2 is simply 4, so we get:

S = 2π∫(4x+2)√(1+16)dx from 0 to 2

Simplifying this, we get:

S = 2π∫(4x+2)√17 dx from 0 to 2

Evaluating this integral using calculus, we get:

S = 32π√17/3

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In a baseball game, a pop fly is hit, and its height in meters relative to time in seconds is modeled by the function h(t) = -4. 9t^2 + 8t + 1​

Answers

The maximum height reached by the pop fly is approximately 3.27 meters.

How to find the maximum height reached by the pop fly?

The equation h(t) = -4.9t^2 + 8t + 1 models the height in meters of a pop fly hit in a baseball game as a function of time in seconds.

The coefficient of t^2 is negative (-4.9), which means that the graph of this function is a downward-facing parabola. This makes sense, as the ball will start at a certain height and then be pulled down by gravity as it moves through the air.

The coefficient of t is positive (8), which means that the height of the ball is increasing at first. This makes sense, as the ball is gaining altitude after being hit.

The constant term (1) represents the initial height of the ball when it was hit.

To find the maximum height reached by the pop fly, we can find the vertex of the parabola. The x-coordinate of the vertex is given by -b/2a, where a is the coefficient of t^2 and b is the coefficient of t. In this case, a = -4.9 and b = 8, so the x-coordinate of the vertex is:

x = -b/2a = -8/(2*(-4.9)) = 0.8163

To find the corresponding y-coordinate, we can plug this value of t into the equation:

h(0.8163) = -4.9(0.8163)^2 + 8(0.8163) + 1 = 3.27

Therefore, the maximum height reached by the pop fly is approximately 3.27 meters.

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An aquarium is 25 inches long, 12 1 half inches wide, and 12 3 over 4 inches tall. what is the volume of the aquarium?

hint: v= lwh


volume = length x width x height

Answers

Answer is: 3,984.375 cubic inches

To help you calculate the volume of the aquarium. Using the formula

V = L x W x H, where V is volume, L is length, W is width, and H is height:

Length (L) = 25 inches
Width (W) = 12.5 inches (12 + 0.5)
Height (H) = 12.75 inches (12 + 3/4)

Now, plug these values into the formula:

Volume (V) = 25 x 12.5 x 12.75
V = 3,984.375 cubic inches

The volume of the aquarium is 3,984.375 cubic inches.

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