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kuvyojhmoob
 one year ago
The volume of a conical pile of sand is increasing at a rate of 243π ft3/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes), assuming that r = 0 when t = 0.
kuvyojhmoob
 one year ago
The volume of a conical pile of sand is increasing at a rate of 243π ft3/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes), assuming that r = 0 when t = 0.

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madhu.mukherjee.946
 one year ago
Best ResponseYou've already chosen the best response.0Volume = 1/3 π r^2 h given the height = radius Volume = 1/3 π r^3 . . . Volume = 243 π * t .. in cubic feet 243 π t = 1/3 π r^3 r^3 = 729 * t r = 9 t^(1/3) feet
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