Use Cramer's rule to solve the linear system.
A. {(6, 8, 6)}
B. {(7, 6, 8)}
C. {(7, -6, -8)}
D. {(8, 4, 8)}
Answer: B
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Identify the terms. Then identify the coefficients of the variable terms of the expression. ? 6x + 2 ?
A. 6x and 2 are the terms; 6 is the coefficient. B. 6x and 2 are the terms; -2 is the coefficient. C. 6x and 2 are the terms; -6 is the coefficient. D. 6x and 2 are the terms; 2 is the coefficient. E. 6 and 2 are the terms; 6 is the coefficient.
Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?
A. 600 liters/hr hot, 400 liters/hr cold B. 400 liters/hr hot, 600 liters/hr cold C. 720 liters/hr hot, 480 liters/hr cold D. 480 liters/hr hot, 720 liters/hr cold
Convert the degree measure to radians. Round to the nearest ten-thousandth.58.96°
A. 0.5145 B. 0.3276 C. 1.029 D. 0.686
Graph the inequality.2x + y ? 1
A. 
B. 
C. 
D. 