Solve. Use ? ? 3.14 and round to the nearest tenth.A bicycle wheel makes 2 revolutions. The diameter of the wheel is 17 inches. Determine how far the bicycle travels in inches.
A. 34 in.
B. 53.4 in.
C. 106.8 in.
D. 213.5 in.
Answer: C
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Find the length of the curve.The parabolic segment r = 
, 0 ? ? ? 
A. 
(
+ ln(
+ 1))
B. 
C. 
(
- ln(
- 1))
D. 
?
Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 30 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 27 feet from the center is to be 10 feet above ground?
A. 28.64 ft B. 162 ft C. 57.28 ft D. 45.88 ft
Add or subtract terms whenever possible.4
+ 8
A. 12
B. 32
C. -4
D. 12
Find an equation of a parabola that satisfies the given conditions.Focus (-3, -6), directrix x = -11
A. (x + 3)2 = 16(y + 6) B. (y + 6)2 = 16(x + 3) C. (x + 6)2 = 16(y + 7) D. (y + 6)2 = 16(x + 7)