Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.It takes 90 J of work to stretch a spring 1 m from its equilibrium position. How much work is needed to stretch it an additional 0.5 m?
A. 1462.5 J B. 292.5 J C. 562.5 J D. 112.5 J
Mathematics
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Mathematics
Solve the problem.Find values for a, b, and c so that ? × F = 0 for F = axi + byj + czk.
A. a = 1, b = 1, c = 1 B. ? × F = 0 for any a, b, and c. C. a = 2, b = -1, c = -1 D. There is no possible way to make ? × F = 0.
Mathematics
Solve the quadratic inequality by graphing an appropriate quadratic function.x2 + 5 < 2x
A. (5, ?) B. No solution C. (-?, ?) D. (-?, 2)
Mathematics