Solve the problem.Tom indicates that he received a 7% raise that amounts to $2065. What was his former salary?
A. $29,500
B. $14,750
C. $26,550
D. $32,450
Answer: A
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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
Solve the problem.Two forces, F1 of magnitude 60 newtons (N) and F2 of magnitude 70 newtons, act on an object at angles of 
and 
(respectively) with the positive x-axis. Find the direction and magnitude of the resultant force; that is, find 
Round the direction and magnitude to two decimal places.
What will be an ideal response?
Find the value of the expression.
A. 
B. 
C. 2
D. 
Find the area.
A. 40.5 cm2
B.
| 81 cm2 |
C. 36 cm2
D. 18 cm2