The first card is a face card.
Two cards are dealt without replacement from a well-shuffled deck of cards.
Find the probability of each event.
4 / 13
Mathematics
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Solve the problem.Find a unit vector perpendicular to both 7i + 5k and 3k.
A. k B. 21j C. j D. i
Mathematics
Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/g2(x), x = 4
A. - 
B. 
C. 
D. - 
Mathematics
Use a half-angle formula to find the exact value of the expression.sin 15°
A. - 
B. - 
C. 
D. 
Mathematics
Find the sum of the infinite geometric sequence. ? 2 + 0.4 + 0.08 ... ?
A. s = 2.5 B. s = 6.5 C. s = 0.1 D. s = 4.5 E. s = 0.5
Mathematics