Compositions with inverses.
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Answers: 3
Mathematics, 21.06.2019 14:30, theworld58
Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?
Answers: 1
Mathematics, 21.06.2019 21:30, ashleyprescot05
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Mathematics, 21.06.2019 22:30, yettionajetti
In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the
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Mathematics, 21.06.2019 23:00, ronniethefun
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