Mathematics, 17.10.2019 18:10 twinky5
Avery large tank initially contains 100l of pure water. starting at time t = 0 a solution with a salt concentration of 0.4kg/l is added at a rate of 7l/min. the solution is kept thoroughly mixed and is drained from the tank at a rate of 5l/min. answer the following questions. 1. let y(t) be the amount of salt (in kilograms) in the tank after t minutes. what differential equation does y satisfy? use the variable y for y(t). answer (in kilograms per minute): 2. how much salt is in the tank after 30 minutes? answer (in kilograms):
Answers: 3
Mathematics, 21.06.2019 18:00, jenniferkane408
Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.
Answers: 2
Mathematics, 22.06.2019 00:20, destinyd10189
Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer
Answers: 2
Avery large tank initially contains 100l of pure water. starting at time t = 0 a solution with a sal...
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