Solve the problem.A pendulum bob swings through an arc 60 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. 600 inches
B. 300 inches
C. 67 inches
D. 133 inches
Answer: A
Mathematics
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Translate the problem to a system of equations, then solve using Cramer's Rule.The sum of a student's three scores is 218. If the first is 22 points more than the second, and the sum of the first two is 14 more than twice the third, what was the first score?
A. 46 B. 68 C. 86 D. 64
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Solve the equation by the square root property.(7x + 4)2 = 4
A. 
B. 
C. 
D. 
Mathematics
Solve.?x? = -8.9
A. -8.9 B. No solution C. 8.9 D. 7921
Mathematics
Determine whether the given value is a solution of the equation.
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Mathematics