Solve the equation.
= 
+ 
A. 
B. ?
C. {
t is a real number }
D. 
Answer: B
Mathematics
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Factor the expression completely.wx4 - 10 wLx3 + 16wL2x2 (beam design)
A. wx2(x2 - 10Lx + 16L2) B. w(x2 - 2L)(x2 - 8L) C. wx2(x - 2L)(x - 8L) D. w(x2 - 2Lx)(x2 - 8Lx)
Mathematics
Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.x2 + 12x + 20 ? 0
A. (-?, 2] ? [10, ?)
| 2? | 10 |
B. (-?, -4] ? [10, ?)
| -4 | 10 |
C. (-?, -2] ? [10, ?)
| -2 | 10 |
D. (-?, -10] ? [-2, ?)
| -10? | -2 |
Mathematics
Find the amplitude, period, or phase shift of the given function as requested.Find the period of y = -2 sin 8
.
A. ?
B. 2
C. 8
D. 
Mathematics
Find the unknown value.100% of what number is 5?
A. 10 B. 1 C. 5 D. 100
Mathematics