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) where k> 0 (a) Find k if there are 12.5 pounds of salt in the barrel after 30 minutes. Round your answer to 4 decimal places. (b) What happens to the amount of salt in the barrel ast? Q-Select-
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) where k> 0 (a) Find k if there are 12.5 pounds of salt in the barrel after 30 minutes. Round your answer to 4 decimal places. (b) What happens to the amount of salt in the barrel ast? Q-Select-
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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