Solve the problem.A vertical right circular cylindrical tank measures 
high and 
in diameter. It is full of oil weighing 
How much work does it take to pump the oil to a level 
above the top of the tank? Give your answer to the nearest ft ? lb.
A. 718,796.399 ft ? lb
B. 729,854.805 ft ? lb
C. 1,725,111.36 ft ? lb
D. 862,555.679 ft ? lb
Answer: D
Mathematics
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Solve the problem.Suppose that z varies jointly with x and y and that z = 196 when x = 7 and 
Find the constant of proportionality k. Then, find z when x = 6 and 
A. k = 2; z = 36
B. k = 19,208; z = 
C. k = 0.2; z = 3.6
D. k = 4; z = 72
Mathematics
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
n
A. e6 B. 6 C. 0 D. Diverges
Mathematics
Find the sum of the series as a function of x.
A. 
B. 
C. - 
D. - 
Mathematics
Find an equation of a parabola satisfying the given conditions.Focus at 
, directrix y = - 
A. x2 = 3y B. y2 = 12x C. x2 = 12y D. y2 = 3x
Mathematics