Mathematics, 17.10.2019 16:30 puppycity78
(1 point) a tank is filled with 1000 liters of pure water. brine containing 0.08 kg of salt per liter enters the tank at 9 liters per minute. another brine solution containing 0.04 kg of salt per liter enters the tank at 9 liters per minute. the contents of the tank are kept thoroughly mixed and the drains from the tank at 18 liters per minute. a. determine the differential equation which describes this system. let s(t) denote the number of kg of salt in the tank after t minutes. then b. solve the differential equation for s(t). s(t) =
Answers: 1
Mathematics, 21.06.2019 17:00
Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together
Answers: 1
Mathematics, 21.06.2019 17:50
Graph y β₯ -x^2 - 1. click on the graph until the correct graph appears.
Answers: 1
Mathematics, 21.06.2019 19:20
1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?
Answers: 2
(1 point) a tank is filled with 1000 liters of pure water. brine containing 0.08 kg of salt per lite...
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