A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the depth of the water when the water is 10 feet deep. 81/20π ft/min 9/100π ft/min 9/40π ft/min 81/50π ft/min 81/200π ft/min

A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the depth of the water when the water is 10 feet deep. 81/20π ft/min 9/100π ft/min 9/40π ft/min 81/50π ft/min 81/200π ft/min

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A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the depth of the water when the water is 10 feet deep. 81 20 π f t / m i n 9 100 π fl/min 9 40 π f t / m i n 81 50 π f t / m i n 81 200 π f t / m i n

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