Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circle
if the density of the wire is 
A. =
,
=
B. = 1,
= 1
C. =
,
=
D. =
,
=
Answer: B
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A.
B. -
C. -14
D. -49
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Supply the missing numbers. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.fractiondecimalpercent?0.032
A. 3.2%
B. 0.32%
C. 3.2%
D. 0.32%
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Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. 2a3z7
B. 2a15z35
C. 2a10z30
D. 2a15z35
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Match the given equation with one of the graphs.y2 = 16 - x2
A.
B.
C.
D.
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