Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the semicircle y = 
if the density of the rod is 
.
A. 
= 
, 
= 
B. 
= 0, 
= 
C. 
= 
, 
= 
D. 
= 0, 
= 
Answer: B
Mathematics
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Write your answer in lowest terms.There are 30 days in a given month. What fraction of the month is 22 days?
A. 
B. 22
C. 
D. 
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Simplify the expression.
-2/3
A. - 
B. 
C. 
D. not a real number
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Graph the function below and experiment with the viewing window to obtain a complete graph, adjusting the ranges where necessary. Does the figure below show the complete graph?
?
?
?
?
?
A. Yes B. No
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Convert to decimal notation.8.395 × 10-6
A. -8,395,000 B. 0.000008395 C. 0.0000008395 D. 0.00008395
Mathematics