Solve the problem.A pendulum swings through an arc 80 inches long on its first swing. Each swing thereafter, it swings only 
as far as on the previous swing. How far will it swing altogether before coming to a complete stop? If necessary, round to the nearest inch.
A. 267 in.
B. 229 in.
C. 114 in.
D. 133 in.
Answer: A
Mathematics
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Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.x2 - y2 = 7.82x = 2y - 5
A. {(-6.31, -5.65), (2.97, -1.01)} B. {(-2.97, -1.01), (6.31, -5.65)} C. {(-2.97, 1.01), (6.31, 5.65)} D. {(-6.31, 5.65), (2.97, 1.01)}
Mathematics
Solve.The temperature in a town drops 6 degrees per hour for 8 consecutive hours. Use an integer to describe the overall change in temperature for the town.
A. 22° B. 48° C. -48° D. -12°
Mathematics
Solve the inequality.
< 0
A. (-7, -5) or (2, 9) B. (-?, -5) or (-7, 9) C. (-7, -5) or (2, ?) D. (-5, 2) or (9, ?)
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.- 
- 
A. 
B. 
C. 
D. 
Mathematics