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: A
Mathematics
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What will be an ideal response?
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Perform the indicated operation by hand.5 + 1.68
A. 6.78 B. -3.32 C. 6.68 D. 3.32
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By definition, a firm's operating breakeven point represents the level of production and sales at which its:
A. additional funds needed (AFN) equal zero. B. variable costs equal its operating revenue. C. fixed variable costs equal its operating revenue. D. net operating income is equal to zero. E. cost of equity equals its cost of debt.
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