Solve the linear system using an inverse matrix.  x + 2y + 3z = -3  x + y + z = -11-x + y + 2z = 8

A. (-6, -48, -31)
B. (0, -30, 19)
C. (46, -76, -27)
D. (-3, -44, -16)

Answer: B

Mathematics

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Answer the question.Which of the following statements is false?

A. The integral test does not apply to divergent sequences.
B. If an and f(n) satisfy the requirements of the Integral Test, and if  converges, then  = 
C. converges if p > 1.
D.  converges if p >1 and diverges if p ? 1.

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Find ? to four significant digits for 0 ? ? < 2?.sec ? = -2.346

A. 2.011, 4.272 B. -1.168, 7.451 C. -2.701, 5.153 D. 2.011, 5.153

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Determine whether it is true or false that the given number is a solution of the equation.27; 7(y - 12) = 105

A. True B. False

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Use l'Hpital's rule to find the limit.

A. - ? B. 0 C. ? D. 1

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Mathematics