Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the x-axis and the curve y = 7sin x, 0 ? x ? ?
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= ?, 
= 
D. 
= 
, 
= 
Answer: B
Mathematics
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Solve the problem.Find the average distance from a point 
in the region bounded by 
to the origin.
A. 
B. 
C. 
D. 
Mathematics
Solve for the indicated variable.V = 
for m.
A. m = 
B. m = 
C. m = 
D. m = 
Mathematics
Solve the problem.The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width were increased by 7 inches, then the perimeter would be 160 inches. What is the width?
A. 23 in. B. 46 in. C. 138 in. D. 69 in.
Mathematics
Provide an appropriate response.If (a, b) is an ordered pair on the graph of f, what are the coordinates of the ordered pair on the graph of f-1?
A. (-a, -b) B. (b, a) C. (a, b) D. (-b, a)
Mathematics