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Asked Jan 16, 2020
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Sand falls from a conveyor belt at the rate of 10 m3/min onto the top of a conical pile. The height of the pile is always three-eighths of the base diameter. How fast are the (a) height and (b) radius changing when the pile is 4 m high? Answer in centimeters per minute.

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Let h be the height of the cone, r be the radius of the base of the cone....

Calculus homework question answer, step 1, image 1
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