Solve the problem.How many 5-card poker hands consisting of 3 aces and 2 kings are possible with an ordinary 52-card deck?
A. 24
B. 6
C. 12
D. 288
Answer: A
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = xyi + xj; C is the triangle with vertices at (0, 0), (7, 0), and (0, 8)
A. 
B. - 
C. 0
D. 
Solve using Cramer's rule.-2x - 2y = -16 3x + 2y = 18
A. (-2, -6) B. (2, 6) C. (-6, 2) D. (6, 2)
Solve the problem.The velocity of water ft/s at the point of discharge is given by 
where P is the pressure 
of the water at the point of discharge. Estimate the rate of change of the velocity with respect to pressure if the pressure is 
(Round to two decimals.)
A. 48.97 ft/s per lb/in.2 B. 0.07 ft/s per lb/in.2 C. 0.61 ft/s per lb/in.2 D. 1.22 ft/s per lb/in.2
State the dual problem. Use y1, y2, y3 and y4 as the variables. Given: y1 ? 0, y2 ? 0, y3 ? 0, and y4
Maximizez = 3x1 + 2x2subject to:x1 + x2 ? 23 2x1 + x2 ? 12 x1 ? 0, x2 ? 0
A.
| Minimize | w = 23y1 + 12y2 |
| subject to: | y1 + 2y2 ? 3 |
B.
| Minimize | w = 23y1 + 12y2 |
| subject to: | y1 + 2y2 ? 3 |
C.
| Minimize | w = 12y1 + 23y2 |
| subject to: | 2y1+ y2 ? 3 |
D.
| Minimize | w = 12y1 + 23y2 |
| subject to: | 2y1 + y2 ? 3 |