Solve the problem.There are 3 cards in a hat; one is a king, one is a queen, and one is an ace. Two cards are to be selected at random without replacement. Using a tree diagram , obtain the sample space for the experiment. Then, find the probability that you choose the same card twice.
A. 0
B. 
C. 
D. 
Answer: A
Mathematics
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Find the angle between u and v in radians.u = 10i, v = 2i - 6j
A. 1.25 B. 1.57 C. 0.32 D. 1.43
Mathematics
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. - 
B. - 
C. - 
D. - 
Mathematics
Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = zi + xyj + zyk; D: the solid cube cut by the coordinate planes and the planes 
y = 1, and z = 1
A. 2
B. 
C. 
D. 1
Mathematics
Evaluate.Let log b A = 2.349 and log b B = 0.17. Find log b 
.
A. 2.179 B. 2.519 C. 2.349 D. 0.399
Mathematics