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
<span>4.18879020479 which will convert to 4.2</span>
Answer:
53.2 feet
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
In the right triangle ABC
-----> by TOA (opposite side divided by the adjacent side)
substitute the values

solve for h


therefore
The height of the pole is
