Remember the pythagorean theorem.
a^2 + b^2 = c^2
The complex number is a+bi, the absolute value is 'c'
203.03968253968254
that is the answer
Answer:
3087000
Step-by-step explanation:
(5\choose 2) we use for how many combination we have when we choose 2 freshmen from set of 5 freshmen.
(7\choose 3) for 3 sophomers of 7 sophomores itc...
The number of all combination is:

Answer:
SA = 1099 square inches.
Step-by-step explanation:
Just plug into the formula
SA = 2pir^2 + 2pi r h where pi = 3.14, r = 5 and h = 30
SA = 2 (3.14) (5^2) + 2 (3.14)(5)(30)
SA = 157 + 942
SA = 1099 square inches.