campbellethan20 campbellethan20

23-03-2018
Mathematics

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the volume of a cone with a 30-millimeter radius is 9,420 cubic millimeters.what is the height of the cone to the nearest millimeter?

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gingerpoet gingerpoet

23-03-2018

V = πr² × (h/3)
9420 = π(30)² × (h/3)
9420 = 10πh
h = 9420 ÷ 10π
h = 299.847 or in nearest millimeters
h = 300 millimeters

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