Solve. x - z = -73x - y = -1 x + y + z = 18
A. (-1, 7, 9)
B. (2, 7, 9)
C. no solution
D. (2, 3, 9)
Answer: B
Mathematics
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Simplify.(2x5y3)2(4y4)3
A. 8x10y18 B. 8x5y7 C. 256x7y12 D. 256x10y18
Mathematics
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -8y3i + 8x3j + 3z3k ; C: the portion of the paraboloid x2 + y2 = z cut by the cylinder 
A. -384? B. 384? C. - 192? D. 192?
Mathematics
t = 3.8 æsec, C = 450 pF, and R = 20 Kê. Find VR in a circuit connected to a 37 V source.
a. 10.9 V b. 17.4 V c. 20.9 V d. 24.3 V e. 31.2 V
Mathematics
Set the viewing rectangle of your graphing calculator to 
by 
to solve the problem.Find a set of parametric equations evaluated over 0 ? t ? 2? that produces the graph shown.
A.
| x1 = -3 + 6cos(t), | y1 = 2 + 6sin(t) |
| x2 = -3 + 3cos(t), | y2 = 6.5 + 3sin(t) |
| x3 = -3 + 3cos(t), | y3 = -2.5 + 3sin(t) |
B.
| x1 = -3 + 3cos(t), | y1 = 2 + 3sin(t) |
| x2 = -3 + 1.5cos(t), | y2 = 6.5 + 1.5sin(t) |
| x3 = -3 + 1.5cos(t), | y3 = -2.5 + 1.5sin(t) |
C.
| x1 = -3 + 3cos(t), | y1 = 2 + 3sin(t) |
| x2 = -3 + 1.5cos(t), | y2 = 6.5 + 1.5sin(t) |
| x3 = -3 + 1.5cos(t), | y3 = 9.5 + 1.5sin(t) |
D.
| x1 = 3cos(t), | y1 = 3sin(t) |
| x2 = 1.5cos(t), | y2 = 4.5 + 1.5sin(t) |
| x3 = 1.5cos(t), | y3 = -4.5 + 1.5sin(t) |
Mathematics