Solve for the specified variable. -  +  = 5 for x

A. x = 
B. z = 
C. x = 
D. y = 


Answer: C

Mathematics

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A project consists of seven independent tasks with processing times (in hours) given by 4, 5, 6, 7, 8, 9, and 12.Find the optimal finishing time Opt for N = 2 processors.

A. Opt = 27 hours B. Opt = 24 hours C. Opt = 25 hours D. Opt = 23 hours E. Opt = 26 hours

Mathematics

Find the exact value under the given conditions.sin ? = , 0 < ? < ; cos ? = , 0 < ? < Find cos (? + ?).

A.
B.
C.
D.

Mathematics

Determine a window which gives a complete graph of the polynomial function.f(x) = 2x4 + 2x3 - 4x2 - 3x - 6

A. [-3, 3] by [-10, 5] B. [-3, 3] by [-3, 4] C. [-2, 2] by [-10, -5] D. [-5, 5] by [-2, 1]

Mathematics

Add the polynomials. Assume all variable exponents represent whole numbers.(12x2y - 10xy + 11) + (-11x2y + 4xy - 6)

A. -x2y - 14xy + 17 B. 23x2y + 14xy + 17 C. -6x3y2 + 5 D. x2y - 6xy + 5

Mathematics