Solve the problem.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 28-kg object stretches a spring 89 cm, how far will a 10-kg weight stretch the spring?
A. 31.79 cm
B. 3.1461 cm
C. 127 cm
D. 3.17857143 cm
Answer: A
Mathematics
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Add and simplify. +
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B.
C.
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Mathematics
Solve the inequality. Express your answer using interval notation.|3x + 3| + 9 > 4
A. (- ,
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B. (-?, - ) or (
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C. (-?, ?)
D. no solution
Mathematics
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. , x ? -a, x ? a
B. , x ? -a, x ? a
C. , x ? -a, x ? a
D. , x ? -a, x ? a
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."-x2 - 5x + 24
A. (x + 3)(x - 8) B. -(x - 3)(x + 8) C. -(x - 3)(x - 8) D. Prime
Mathematics