Solve the problem.Find the center of mass of the region of density 
bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 2
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 1
Answer: C
Mathematics
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Solve the problem. Round to the nearest hundredth, if necessary.Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending machine will only accept coins weighing between 5.49 g and 5.82 g. What percentage of legal quarters will be rejected?
A. 1.43% B. 2.13% C. 0.57% D. 1.4%
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Multiply in the indicated base.
A. 101012 B. 11002 C. 101002 D. 101102
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Solve using the quadratic formula. Write the solution set using interval notation.9x2 - 12x + -6 ? 0
A. 
? 
B. 
C. 
? 
D. 
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Divide using long division.
A. m - 4
B. 6m - 4 + 
C. 6m - 4
D. 6m + 4
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