CALCULUS:GRAPHICAL,NUMERICAL,..-PACKAGE
5th Edition
ISBN: 9780133320381
Author: Finney
Publisher: SAVVAS L
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Into a 100-gal tank initially filled with freshwater flow 3 gal/min of saltwater containing 2lb of salt per gallon. The solution is kept uniform by stirring, flows out at the same rate. How many pounds of salt will there be in the tank at the end of:
A. 1 hour and 40 minutes?
B. 2hours?
C. discuss how the volume of salt inside the tank is affected as time increases.
The volume of a cone of material deposited by an excavator backhoe given it's radius can be found
1
with the formula V
3
1
a. Solve V = - Trh for r in terms of h.
3
b. Find r if V = 26.1 cubic feet, and the height of the cone is twice its radius.
r =
feet
(Use T = 3.14 and round to two decimal places)
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