Mathematics, 17.07.2019 22:30 zackarygonzalez1028
Atank contains 1000l of pure water. brine that contains 0.04kg of salt per liter enters the tank at a rate of 5l/min. also, brine that contains 0.1kg 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.1. how much salt is in the tank after t minutes?
answer (in kilograms): s(t)=?
how much salt is in the tank after 5 hours?
answer (in kilograms): ?
Answers: 1
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Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)
Answers: 1
Atank contains 1000l of pure water. brine that contains 0.04kg of salt per liter enters the tank at...
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