Solve the system of equations by using an inverse matrix.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11

A. (-1, 2, 1)
B. (2, -1, 4)
C. ?
D. (2, 1, 6)


Answer: B

Mathematics

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Completely factor the expression. ? ?

A.
B.
C.
D.
E.

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Evaluate the surface integral of the function g over the surface S.G(x, y, z) = x3y3z3; S is the surface of the rectangular prism formed from the coordinate planes and the planes x = 2, y = 2, and z = 3

A. 6912 B. 108 C. 1728 D. 648

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Provide an appropriate response.Find the product: (4x + 3)(3x - 2)

What will be an ideal response?

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Solve the logarithmic equation.log (x - 9) = 1 - log x

A. -10, 1 B. -10 C. 10 D. -1, 10

Mathematics