20C0 - 20C1 + 20C2 - 20C3 + . . . + 20C10 = 1 - 20 + 190 - 1,140 + 4,845 - 15,504 + 38,760 - 77,520 + 125,970 - 167,960 + 184,756 = 92,378
Answer:
38.16
Step-by-step explanation:
cosine = adjacent leg / hypotenuse
34 / x = cos 27
x = 34 / cos 27 deg
x ≈ 38.16
Answer:
irregular
Step-by-step explanation:
Answer:
(n + 4) *2 = 11 * 2
Step-by-step explanation:
(n + 4) *2 = 11 * 2
Divide both sides by 2

n + 4 = 11