Write the standard form of the equation of the circle with the given center and radius.Center (7, -3), r = 
A. (x + 3)2 + (y - 7)2 = 4
B. (x + 7)2 + (y - 3)2 = 2
C. (x - 7)2 + (y + 3)2 = 2
D. (x - 3)2 + (y + 7)2 = 4
Answer: C
Mathematics
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Set up an integral for the length of the curve.y = 2 cot x, ? x ?
A.
B.
C.
D.
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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. = 0,
=
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B. = 0,
=
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C. =
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=
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D. =
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=
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Find the distance between the points and
.
What will be an ideal response?
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Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. x3 B. x6 C. x4 D. 3x
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