Mathematics, 27.07.2019 06:10 bre2795
15. a tank initially contains 50 galions of water with a concentration of 2 lb/gal salt. water that is 3 lb/gal salt enters the tank at a rate of 5 gal/min, and the well-stirred mixture is allowed to leave the tank at a rate of 2 gal/min. if q(t) denotes the amount of salt in the tank at time t, determine an initial value problem that can be used to model this scenario. then, find the solution.
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Mathematics, 21.06.2019 18:50
Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!
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Mathematics, 21.06.2019 19:00
Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18
Answers: 1
Mathematics, 21.06.2019 19:30
Me. i can't figure out this question. give an explanation too. .
Answers: 1
15. a tank initially contains 50 galions of water with a concentration of 2 lb/gal salt. water that...
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