Solve the problem.Find the center of mass of a thin infinite region in the first quadrant bounded by the coordinate axes and the curve 
if 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: B
Mathematics
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Provide an appropriate response.Rationalize the denominator: 
A. 
B. 
C. 
D. 
Mathematics
Find S5 for the sequence described.Arithmetic, with a2 = 24 and a3 = 28
A. 136 B. 100 C. 140 D. 44
Mathematics
Solve.The circle graph shows the fraction of books read by grades one through five. What fraction of books was read by the fifth and third grades combined?
A. 
B. 
C. 
D. 
Mathematics
Translate the phrase into a division problem. Then find the quotient.Find 49 subtracted from 52.
A. 3 B. 13 C. -1 D. 101
Mathematics