Solve the system using the inverse matrix method.

What will be an ideal response?

x = -4, y = 1, z = -2; (-4, 1, 2)

Mathematics

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Evaluate the integral.

A. - csc 7t cot 7t - ln +  + C
B. - csc 7t cot 7t + ln + C
C. - csc 7t cot 7t - ln + C
D.  csc 7t cot2 7t - ln + C

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Mathematics

Graph the system of linear inequalities.x - y ? -1x + 3y ? 19y ? 7

A.

B.

C.

D.

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Mathematics

Solve using the addition or division principle.6a = -18

A. 24 B. 1 C. -3 D. -24

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Mathematics

Give the value of the indicated trigonometric function of a vector with the indicated end point.(0, -2); Find cos ?.

A. 1 B. -2 C. 2 D. 0

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Mathematics