The first card is a spade or a heart.

Two cards are dealt without replacement from a well-shuffled deck of cards.
Find the probability of each event.


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Mathematics

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Determine the truth value of the following statement.Assume that p has a truth value of 0.28, q has a truth value of 0.55, and r has a truth value of 0.87. (p ? ~q) ? r

A. 0.45 B. 0.72 C. 0.87 D. 0.55

Mathematics

Using Green's Theorem, find the outward flux of F across the closed curve C.F =(x2 + y2)i + (x - y)j ; C is the rectangle with vertices at (0, 0), (1, 0), (1, 10), and 

A. -90 B. 20 C. 110 D. 0

Mathematics

Solve the problem.The odds in favor of a horse winning a race are posted as 4 : 3. Find the probability that the horse will win the race.

A.
B.
C.
D.

Mathematics

Perform the indicated operation. Write the result in the form a + bi.7i(2 - 3i)

A. 14i- 21 B. 14i - 21i2 C. 21+ 14i D. 14i + 21i2

Mathematics