Solve the system of equations.2x + 10y + 10z = 90x + 5y + 5z = -30x + y + z = -3

A. {(-4, -3, -3)}
B. {(-3, -3, -4)}
C. ?
D. {(-3, -4, -3)}


Answer: C

Mathematics

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A. C(-3, 2); D(4, -6) B. C(-3, 2); D(-6, 4) C. C(2, 10); D(-6, 4) D. C(-3, -6); D(2, -6)

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Use the limit comparison test to determine if the series converges or diverges.

A. Converges B. Diverges

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Perform the indicated operations and simplify the result. Leave the answer in factored form. - 

A.
B.
C.
D.

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Multiply or divide as indicated. Write the answer in lowest terms. ÷ 10

A.
B. 25
C. 4
D.

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