Question

A and B are two taps which can fill a tank individually in 10 minutes and 20 minutes respectively . However, there is leakage at the bottom, which can empty a filled tank in 30 minutes .If the tank is empty how much time will both the taps will take to fill the tank​

Answer 1

Answer:

An object dropped from a height of 600 feet has a height h(t) after t seconds given by h(t) = 600 − 16t². Express t as a function of height h and find the time it takes to reach a height of 400 feet. Be sure to include a graph of h(t) and your new function, and use this graph to explain how you know your answer is correct. You may use graphing calculator to make this graph.

I really need a more detailed explanation in words too, I'd really appreciate this!!!

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