Solve the system using Gaussian elimination.
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Please enter your answer in the form x = , y = , z = .
What will be an ideal response?
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Answer the question.If f(x) = x2 + 3x + 3 and g(x) = 9x - 3, find (f ? g)(x).
A. 9x3 + 24x2 + 3x - 3 B. 9x3 - 24x2 - 18x - 9 C. 9x3 + 24x2 + 18x - 9 D. 81x2 - 27x + 3
Solve the problem.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 675 cubic inches, find the length of one side of the open box.
A. 18 in. B. 21 in. C. 15 in. D. 14 in.
All the cows in a certain herd are white-faced. The probability that a white-faced calf will be born by mating with a certain bull is 0.7. Suppose 6 cows are bred to the same bull. Find the probability, that no white-faced calves will be born. ?
A. 0.0004 B. 0.0008 C. 0.0023 D. 0.0007 E. 0.0051
Establish the identity.cos
= 
cos x - 
sin x
What will be an ideal response?