SOLUTION: 3. The volume of a cone V varies jointly as it’s height h and the square of its radius r. A cone with a radius of 4 cm, and a height of 6 cm, has a volume of 32 pie. Find the volum

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: 3. The volume of a cone V varies jointly as it’s height h and the square of its radius r. A cone with a radius of 4 cm, and a height of 6 cm, has a volume of 32 pie. Find the volum      Log On

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Question 1126391: 3. The volume of a cone V varies jointly as it’s height h and the square of its radius r. A cone with a radius of 4 cm, and a height of 6 cm, has a volume of 32 pie. Find the volume of a cone having a radius of 15 cm and height of 30 cm.
Side note: I say pie because there is no Roman pie on my keyboard
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
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V varies jointly as it’s height h and the square of its radius r.
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V=k%2Ah%2Ar%5E2

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cone with a radius of 4 cm, and a height of 6 cm, has a volume of 32 pi.
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(not "pie")
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32pi=k%2A6%2A4%5E2
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2pi=6k
k=%281%2F3%29pi
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Volume of a Cone formula is V=%281%2F3%29pi%2Ah%2Ar%5E2.
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As for the correct symbol for pi, or pi, you can refer to how:
https://www.compart.com/en/unicode/U+03C0
Choose any of the symbol or character sequences called HTLM Entity.
Any of those three will give the symbol, pi.