Solve the system.3x + 4y + z = 63x - 3y - z = 225x + y + 4z = 19
A. {(-1, -2, 5)}
B. {(5, -2, -1)}
C. ?
D. {(5, -1, -2)}
Answer: B
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Solve the problem. Round your answer, if appropriate.A company determined that their marginal cost per item is given by C'(x) = 0.0006x2 - 0.4x + 95. Ignoring fixed costs, find the total cost of producing the 301st suit through the 400th suit.
A. $2900 B. $10,300 C. $2871.02 D. $6600
Use a calculator to find the root or power rounded to six decimal places.
A. -4.431048 B. 2.105005 C. 4.431048 D. -2.105005
Solve the problem.If (3, 3) is the endpoint of a line segment, and (8, 7) is its midpoint, find the other endpoint.
A. (11, 13) B. (13, 11) C. (13, -1) D. (-7, -5)
Factor out a factor with a negative coefficient.-j3 - 6j2 + j - 13
A. -(j3 + 6j2 - 1 + 13) B. -(j3 + 6j2 - j + 13) C. -(-j3 - 6j2 - j + 13) D. None of these