SOLUTION: A conical candle is to be made from 300cm^3 of wax.If the candle's height is 5 times its diameter, what should be its height, to the nearest tenth?

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Question 1060748: A conical candle is to be made from 300cm^3 of wax.If the candle's height is 5 times its diameter, what should be its height, to the nearest tenth?

Answer by Alan3354(69443) About Me  (Show Source):
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A conical candle is to be made from 300cm^3 of wax.If the candle's height is 5 times its diameter, what should be its height, to the nearest tenth?
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For a cone,
Vol+=+pi%2Ar%5E2%2Ah%2F3+=+300
h = 5d = 10r
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300+=+pi%2Ar%5E2%2A10r+=+10r%5E3%2Api
r%5E3+=+30%2Fpi
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Use a calculator from here.