A 50-gallon barrel is filled completely with pure water. Salt water with a concentration of 0.3 pounds/gallon is then pu

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A 50-gallon barrel is filled completely with pure water. Salt water with a concentration of 0.3 pounds/gallon is then pu

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A 50 Gallon Barrel Is Filled Completely With Pure Water Salt Water With A Concentration Of 0 3 Pounds Gallon Is Then Pu 1
A 50 Gallon Barrel Is Filled Completely With Pure Water Salt Water With A Concentration Of 0 3 Pounds Gallon Is Then Pu 1 (41.73 KiB) Viewed 32 times
A 50-gallon barrel is filled completely with pure water. Salt water with a concentration of 0.3 pounds/gallon is then pumped into the barrel, and the resulting mixture overflows at the same rate. The amount of salt (in pounds) in the barrel at time t (in minutes) is given by Q(t) = 15(1 – e-kt) where k>0. (a) Find k if there are 10.5 pounds of salt in the barrel after 40 minutes. Round your answer to 4 decimal places. k~ (b) What happens to the amount of salt in the barrel as to? Q→ 15
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