Solve for the requested variable.y varies directly as x and inversely as the square root of w, and y = 15 when  and . Find y when  and 

A. y = 
B. y = 10
C. y = 
D. y = 40


Answer: C

Mathematics

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D. 30

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Write the perimeter of the rectangle as a simplified polynomial. Then factor this polynomial completely.

A. 15x2(x + 2)(x + 4) B. 30x(x + 2)(x + 4) C. 15x(x + 8)(x + 6) D. 30(x2 + 2)(x + 4)

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Multiply.0.0057

A. 0.002109 B. 0.02109 C. 0.2109 D. 0.0002109

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Solve the equation by completing the square.7x2 - 2x - 4 = 0

A.
B.
C.
D.

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