Solve the problem.Find the center of mass of the lamina bounded by the coordinate axes and the line 
if 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: A
Mathematics
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Solve the problem.Let D be the smaller cap cut from a solid ball of radius 8 units by a plane 5 units from the center of the sphere. Set up the triple integral for the volume of D in cylindrical coordinates.
A. 
B. 
C. 
D. 
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Decide whether the given set of numbers is a commutative group under the given operation.Even integers; addition
A. Yes B. No
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Change the decimals to their fraction or mixed-number equivalents, and reduce answers to lowest terms.0.74
A. 
B. 
C. 
D. 
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Simplify using order of operations.72 ÷ (-6)2 + (-7)
A. -5 B. 9 C. -9 D. 5
Mathematics