Solve the problem.A pendulum bob swings through an arc 50 inches long on its first swing. Each swing thereafter, it swings only 90% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 250 inches
B. 56 inches
C. 500 inches
D. 111 inches
Answer: C
Mathematics
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Solve the equation.
= 
A. 
B. 
C. 
D. {1}
Mathematics
Write the fraction in simplest form using the method of your choice.
A. 4v
B. 
C. 
D. 
Mathematics
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 - 8x = 15
A. {4 ± 
}
B. {8 ± 
}
C. {4 ± 
}
D. {-4 ± 
}
Mathematics
How many three-digit numbers can be formed under the following condition? ? The leading digit cannot be zero and the number must be even. ?
A. 900 B. 450 C. 350 D. 400 E. 550
Mathematics