Solve the system by using the inverse of the coefficient matrix.x - y + z = 1x + y + z = -7x + y - z = -11
A. No solution
B. (-5, 2, -4)
C. (-5, -4, 2)
D. (2, -5, -4)
Answer: C
Mathematics
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Solve the system.
A. x = -5, y = 1, z = -1, w = 0 B. x = -10, y = 0, z = -2, w = 1 C. x = 0, y = -5, z = 1, w = 5 D. x = 5, y = 3, z = -1, w = -1
Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Mathematics
Decide whether the limit exists. If it exists, find its value.
f(x)
A. -1 B. 0 C. Does not exist D. -2
Mathematics
Identify the place occupied by the underlined digit.36,7
3
A. Thousands B. Ten thousands C. Hundreds D. Tens
Mathematics