Solve the problem.Find the center of mass of the upper half of a solid ball of radius 1 centered at the origin if the density at any point is proportional to the distance from that point to the 
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Answer: D
Mathematics
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Use the Comparison Test to determine if the series converges or diverges.
A. diverges B. converges
Mathematics
Solve the problem.Larry Thompson buys a $80,000 T-bill at a 5% discount for 13 weeks. Find the effective interest rate. (Assume 52 weeks per year.)
A. 1.91% B. 5.06% C. 1.27% D. 6.25%
Mathematics
Graph the polar equation.r = ?, ? ? 0 
A. 
B. 
C. 
D. 
Mathematics
Find the indicated term for the sequence.Find the 6th term of the sequence whose general term is an = 4(2n - 1).
A. 44 B. 54 C. 48 D. 40
Mathematics