Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the parabola y = 64 - x2 and the x-axis
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 
, 
= 0
D. 
= 0, 
= 
Answer: A
Mathematics
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Find the length of the curve with the given vector equation.r(t) = (2t sin t + 2 cos t)i + (2t cos t - 2 sin t)j ; -4 ? t ? 5
A. 9 B. 82 C. 18 D. 41
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Provide an appropriate response.Write a "volume" word problem for which finding the solution would involve evaluating the double integral
What will be an ideal response?
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Use an infinite geometric series to rewrite the repeating decimal as a lowest-terms fraction.0.
A. 
B. 
C. 
D. 
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Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 17.000 ft B. 7 ft C. 14.731 ft D. 12.689 ft
Mathematics