Solve the problem.A pendulum of length 17.0 inches swings 1°6' to each side of its vertical position. What is the length (to the nearest hundredth of an inch) of the arc through which the end of the pendulum swings?
A. 0.45 in.
B. 0.55 in.
C. 0.65 in.
D. 0.35 in.
Answer: C
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Find the limit.
A. -9
B. 
+ 8
C. - 
- 8
D. 9
Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 9?
B. 3?
C. 18?
D. 
?
Solve the problem.A gas company has the following rate schedule for natural gas usage in single-family residences:Monthly service charge $8.80Per therm service charge1st 25 therms$0.6686/thermOver 25 therms$0.85870/thermWhat is the charge for using 25 therms in one month?What is the charge for using 45 therms in one month?Construct a function that gives the monthly charge C for x therms of gas.
What will be an ideal response?
Use identities to find the exact value of the expression.sin2 70° + cos2 70°
A. 0.49 B. 1 C. 0 D. 0.70