Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest hundredth if necessary.The foundation for a cylindrical flower bed is a cylinder with a diameter of 21 ft and 5 ft high. How many cubic ft of concrete are needed to build the foundation?
A. 6923.70 ft3
B. 3461.85 ft3
C. 659.40 ft3
D. 1730.93 ft3
Answer: D
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = - 
i + 
j ; C is the region defined by the polar coordinate inequalities 
and 
A. 0 B. 42 C. 21 D. 29
Solve.Two chemical storage tanks have the same capacity. Tank A is 
full, while tank B is 
full. The two tanks currently have a combined total of 1840 tons of liquid nitrogen. How much can each tank hold?
A. 3873
gallons
B. 59
gallons
C. 4784 gallons
D. 2374
gallons
The following table lists the average price, in dollars, of a personal computer at Jaytech in several recent years.
(a) Use the REGRESSION feature to fit a linear function to the data.
(b) Use the linear function to estimate the average price of a personal computer in 1997.
Write an equivalent logarithmic equation.52 = 25
A. log 5 2 = 25 B. log 5 25 = 2 C. log 25 5 = 2 D. log 2 25 = 5