Find the indicated term of the arithmetic sequence.Given an arithmetic sequence with d = 6 and a5 = 27, find a20.
A. 54
B. 119
C. 117
D. 59
Answer: C
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State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.A shoe manufacturer wants to know in which size they should make the most shoes. Which type of average would be the most useful?
What will be an ideal response?
Solve the problem.Tom Quig traveled 270 mi east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of travel was 6 hr, how many miles did he drive at the reduced speed?
A. 80 mi B. 70 mi C. 60 mi D. 55 mi
Solve.In the rectangles below, the ratio of length to width is the same. Find the length of the larger rectangle.
A. 15 ft B. 16 ft C. 13 ft D. 14 ft
Solve the problem.A bicycle wheel rotates 500 times in a minute as long as the rider is pedalling. If the rider stops pedalling, the wheel starts to slow down. Each minute it will rotate only 4/5 as many times as in the preceding minute. How many times will the wheel rotate in the 4th minute after the rider's feet leave the pedals? Round your answer to the nearest unit.
A. 0 times B. 211 times C. 158 times D. 8 times