Provide an appropriate response.Suppose the formula A = 2?rh + 2?r2 is solved for r with the following result: r = . Is this an acceptable solution? Explain.

What will be an ideal response?


No. The variable r should not appear on both sides of the equation in the solution.

Mathematics

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Solve the equation by the zero-factor property.x(3x + 15) = 0

A. 0, -5
B. 0, 
C. 0, 5
D. 0, - 

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A. 214 B. 224 C. 213 D. 203

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Find the exact value of y, or state that y is undefined.y = tan (tan-1 (-9.1))

A. 12.2 B. -6 C. -9.1 D. 9.1

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Solve.  5x - 4y + 10z = -310x + 2y - 15z = 2115x - 2y + 10z = 0

A.
B.
C.
D.

Mathematics