Answer: 3/4
Step-by-step explanation:
Remember, any number raised to the power of negative one is it's reciprocal:
(4/3)^-1 =
3/4
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The probability that he will choose a girl is 3/4 times.
Answer:
32
Step-by-step explanation:
12 + 4y
Evaluate the expression when y = 5.
12 + 4(5)
12 + 20
32
Answer:
56 ways
Step-by-step explanation:
Number of ways is given by n combination r (n!/(n - r)!r!)
n = total number of students = 8, r = the number of summer courses = 3
Number of ways = 8 combination 3 = 8!/(8-3)!3! = 8!/5!3! = 8×7×6×5!/5!×6 = 8×7 = 56 ways