SOLUTION: A conical tank (with vertex down) is 10 feet across the top and 12 feet deep. Water is flowing into the tank at a rate of 20 cubic feet per minute. Find the rate of change of the d
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Question 1130066: A conical tank (with vertex down) is 10 feet across the top and 12 feet deep. Water is flowing into the tank at a rate of 20 cubic feet per minute. Find the rate of change of the depth of the water when the water is 4 feet deep.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
given:
feet across the top => =>
and feet deep=>
Water is flowing into the tank at a rate of
the water is feet deep=>
find:
..........multiply by recip.
..........since , and we have
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