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A conical water tank with vertex down has a radius of 14 feet at the top and is 28 feet high. If water flows into the tank at a rate of 30 ft3/min, how fast is the depth of the water increasing when the water is 18 feet deep

Answer :

Answer:

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Step-by-step explanation:

The rate of change of one quantity in a system often causes other quantities to change. By knowing the relationship between the different quantities, we may be able to find the relationship between their rates of change.