Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the semicircle y =  if the density of the wire is 

A.  = ?,  = ?
B.  = 0,  = ?
C.  = ?,  = ?
D.  = 0,  = ?


Answer: D

Mathematics

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Solve the initial value problem and leave the solution in implicit form.y'(x) = , y(20) = 1

A. (y + 8)3/2 = (x - 4)3/2 - 37
B. (y + 8)3/2 = (x - 4)3/2 + 7
C.  - 1
D. (y + 8)3/2 = (x - 4)3/2 - 37

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Provide an appropriate response.Use a property of logarithms to evaluate log3329.

A.
B. 29
C.
D. 3

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Find the product AB, if possible.A = , B = 

A.

B.

C. AB is not defined.
D.

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Solve the system by elimination. 7x + 3y = -6714x = -69 - 6y

A. {(-7, -6)} B. {(2, 4)} C. {(-7, 4)} D. ?

Mathematics