Solve the problem.A pendulum bob swings through an arc 50 inches long on its first swing. Each swing thereafter, it swings only 70% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 143 inches
B. 71 inches
C. 167 inches
D. 83 inches
Answer: C
Mathematics
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Find the exact value of the real number y.y = arcsin 
A. ?
B. 
C. 
D. 
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Solve.For a hyperbolic mirror the two foci are 44 cm apart. The distance of the vertex from one focus is 10 cm and from the other focus is 34 cm. Position a coordinate system with the origin at the center of the hyperbola and with the foci on the y-axis. Find the equation of the hyperbola.
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 5
D. 
- 
= 1
Mathematics
Find an expression for the nth term of the arithmetic sequence.
, 
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
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Write a fraction to represent the shaded region.
A. 
B. 
C. 
D. 
Mathematics