Mathematics, 17.10.2019 18:10, oakleylynn
Atank contains 1000l of pure water. brine that contains 0.03kg of salt per liter enters the tank at a rate of 5l/min. also, brine that contains 0.08kg 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) = 2. how much salt is in the tank after 5 hours? answer (in kilograms):
Answers: 3
Mathematics, 21.06.2019 17:00, figueroajorge8291
Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?
Answers: 1
Mathematics, 21.06.2019 18:30, luvme68297
Which statement justifies why angle ebc measures 90?
Answers: 3
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