Solve the system of equations by using the inverse of the coefficient matrix. 3x - 4y - 7z = -50-5x + 5y + 5z = 35-9x - 2y - 9z = -100
A. (5, 6, 5)
B. (4, -5, -6)
C. (5, 3, 6)
D. (4, 5, 6)
Answer: D
Mathematics
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Simplify the rational expression.
A. -
B.
C.
D.
Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A.
B.
C.
D.
Mathematics
Determine whether the sequence converges or diverges. If it converges, find its limit.{an} = {9cos(n?)}
A. 9 B. 0 C. Diverges D. -9
Mathematics
List the intercepts for the graph of the equation.y = x2 + 16
A. (16, 0) B. (16, 0), (0, -4), (0, 4) C. (0, 16) D. (0, 16), (-4, 0), (4, 0)
Mathematics