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FinnZ [79.3K]
3 years ago
6

Admission to the amusement park was $29.50 per person. If x represents the total cost for 3 tickets, which equation is true?

Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0
The answer is <span>29.50*3=x</span> there is 3 people, so muliply 29.50 by the 3 people.
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3 years ago
What is the area of Shaded part?
svetlana [45]

Answer:

1π

Step-by-step explanation:

suppose the radius of semicircle P is r,

then the radius of semicircle Q = (r+d)/2  ... d≤r

radius of semicircle R = (r-d)/2

area P = 1/2 (r)²π

area Q = 1/2 ((r+d)/2)² π = 1/8 (r² + 2rd + d²)π

area R = 1/2 ((r-d)/2)² π = 1/8 (r² - 2rd + d²)π

shaded area = P-Q-R = 1/2 r²π - 1/4 (r² + d²)π

                                   = ((r² - d²)/4) * π

because there is no constant r value in the question and d value changes with the r change, when the vertical segment length equal the semicircle P radius (r), r=2 and d = 0

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8 0
3 years ago
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blagie [28]

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Step-by-step explanation:

4 0
3 years ago
One gallon of paint covers 400 square feet of surface area. A typical spherical water tower holds 66,840.28 cubic feet of water.
enot [183]

Answer: There will enough to paint the outside of a typical spherical water tower.


Step-by-step explanation:

1. Solve for the radius r from the formula for calculate the volume of a sphere. as following:

V=\frac{4}{3}r^{3}\pi\\\frac{3V}{4\pi}=r^{3}\\r=\sqrt[3]{\frac{3V}{4\pi}}

2. Substitute values:

r=\sqrt[3]{\frac{3(66,840.28ft^{3})}{4\pi}}=25.17ft

3. Substitute the value of the radius into the equation fo calculate the surface area of a sphere, then you obtain that the surface area of a typical spherical water tower is:

SA=4r^{2}\pi\\SA=4(25.17ft)^{2} \pi\\SA=7,964.95ft^{2}

3. If a city has 25 gallons of paint available and one gallon of paint covers 400 square feet of surface area, you must multiply 25 by 400 square feet to know if there will be enough to paint the outside of a typical spherical water tower.

25*400ft^{2}=10,000ft^{2}

As you can see, there will enough to paint the outside of a typical spherical water tower.

7 0
3 years ago
Please help me with this math question
earnstyle [38]
80.64
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you should get 96 meaning there are 96 tiles
then take 96 and multiply by it by .84 because every tile is 84 cents 
you then get 80.64

6 0
3 years ago
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