Simplify.
A. -8
B. -
i
C. 8i
D. -8i
Answer: C
Mathematics
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Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 4
B. 
= 0, 
= 0, 
= 2
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Mathematics
Solve the problem.Find the moment of inertia about the x-axis of the lamina bounded by the coordinate axes and the line 
if 
.
A. Ix ? 
B. Ix ? 864
C. Ix ? 
D. Ix ? 
Mathematics
Provide an appropriate response.Explain what is wrong with the statement below.It's amazing that someone won the $100,000 prize in the lottery tonight. The probability of winning $100,000 is only 0.000000512.
What will be an ideal response?
Mathematics
Divide and reduce to lowest terms.
÷ 
A. (z + 5)(z + 2)
B. 
C. 
D. 
Mathematics