Use the problem-solving strategy for applications of linear equations to solve the application problem.Tom Quig traveled 200 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 8 hours, how many miles did he drive at the reduced speed?
A. 70 mi
B. 80 mi
C. 60 mi
D. 55 mi
Answer: C
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Graph the pair of polar equations on a calculator, together on the same screen, and use the trace feature to estimate the polar coordinates of all points of intersection of the curves. Round to the nearest hundredth, if necessary.r = 6 cos ?, r = 1 + 4 cos ?
A. (3, 5.24), (3, 1.04) B. (3, 2.62), (3, 4.19) C. (3, 2.62), (3, 0.52) D. (-3, 5.24), (-3, 1.04)
Solve the problem.Find the minimum value of P = 2x + 4y subject to the following constraints.
A. Minimum of 30 B. Minimum of 10 C. Minimum of 20 D. Minimum of 0
Evaluate by first writing the statement in arithmetic form.Subtract 0.0833 from 48.
A. 48.0833 B. 47.9167 C. 48.0167 D. -47.9167
Solve the equation using the zero-product property.
x2 - 
x = -1
A. 
B. 
C. 
D. 