Mathematics, 19.02.2021 16:40, potternatalie90
A tank contains 1000L of pure water. Brine that contains 0.02kg of salt per liter enters the tank at a rate of 5L/min. Also, brine that contains 0.07kg of salt per liter enters the tank at a rate of 10L/min. The solution is kept thoroughly mixed and drains from the tank at a rate of 15L/min. Answer the following questions.
a. How much salt is in the tank after t minutes?
b. How much salt is in the tank after 4 hours?
Answers: 3
Mathematics, 21.06.2019 21:30, Buttercream16
Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.
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Mathematics, 21.06.2019 23:00, soldierboy771
What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?
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Mathematics, 21.06.2019 23:00, fortnite83
Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
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A tank contains 1000L of pure water. Brine that contains 0.02kg of salt per liter enters the tank at...
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