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Natalija [7]
2 years ago
5

An above ground swimming pool is cyndrical in shape. It has a diameter of 12 feet and is 7 feet deep. What is the volume of this

pool?
Mathematics
1 answer:
Alisiya [41]2 years ago
6 0

Answer: 791.784ft³

Step-by-step explanation:

Volume of a cylinder = πr²h.

h could also mean the depth here.

π = 3.142, r = 6ft, because, for us to get the radius, we need to divide the diameter into two since two radii makes one diameter.

Now , substitute for the values in the formula above, hence

V = 3.142 x 6² x 7

= 3.142 x 36 x 7

= 791.784ft³

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Five times a number is the same as 30 more than 8 times the number. Find the number
WARRIOR [948]
Hello.

5x = 8x+30

5x-8x+30 = 0

-3x=-30

x=-10


Have a nice day

5 0
3 years ago
Read 2 more answers
Tobias dropped a tennis ball from a height of 60 meters. The time in seconds it takes for the ball to fall is 60 feet is 0.25 √6
aleksandrvk [35]

Answer:-1)The three sets of approximation of time will be

Time taken to fall tennis ball from height of 60 m =35.41014 s ≈35.410 s (to the nearest thousandth)

≈35.41s  (to the nearest hundredth)

≈35.5 seconds(to the nearest tenth)

2)Time by the ball to hit the ground =35.5 seconds

Step-by-step explanation:

Time taken to fall tennis ball from height of 60 feet =  0.25 √60 s

So,time taken to fall tennis ball from height of 1 foot =0.25√60 divided by 60=\frac{0.25\sqrt{60} }{60}s

We know that 1 m = 0.3048 foot

⇒60 m =60×0.3048=18.288 feet

therefore, Time taken to fall tennis ball from height of 60 m = 18.288 ×time taken to fall tennis ball from height of 1 foot=\frac{0.25\sqrt{60} }{60}\cdot18.288=35.41014\ s

∴Time taken to fall tennis ball from height of 60 m =35.41014 s ≈35.410 s (to the nearest thousandth)

≈35.41s  (to the nearest hundredth)

≈35.5 seconds(to the nearest tenth)

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Answer:

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Step-by-step explanation:

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