Solve the problem.Sketch a graph that depicts the amount of water in a 50-gallon tank. The tank is initially full, And then a pump is used to take water out of the tank at a rate of 4 gallons per minute. This pump is turned off after 6 minutes and at that same time a different pump is turned on. This second pump puts water into the tank at a rate of 2 gallons per minute for 4 minutes.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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The value V, in dollars, of a certain investment after t years is given in the table below. Use exponential regression to determine the percentage increase in the investment over any 4-year period. Round your answer to two decimal places. t 2 4 6 8 10 V 3,371.34 5,183.28 7,968.74 12,252.51 18,839.19?
A. 96.08% B. 96.00% C. 137.09% D. 136.42%
Mathematics
Perform the indicated operation involving cylindrical coordinates.Write the equation r2 - z2 = 36 in rectangular coordinates.
A. x2 + y2 = -36 B. x2 + y2 + z2 = 36 C. x2 + y2 = 36 D. x2 + y2 - z2 = 36
Mathematics
Multiply.(-3m4z4)(5m4z2)
A. -15m8z6 B. -15mz8 C. -15m6z8 D. -15mz6
Mathematics
Use =, <, or > to write a true statement.
A. = B. > C. <
Mathematics