Answer:
28
Step-by-step explanation:
Substitute x = - 2 into the expression, that is
(- 2)² - 7(- 2) + 10 = 4 + 14 + 10 = 28
Using the law of Cosine:
Cos(angle) = Adjacent Leg / Hypotenuse
Cos(65) = x / 81.9
x = 81.9 x cos(65)
x = 34.61
The answer is A.
71, 80, 82, 78, 80, 91, 107, 121, 125, 131, and 142. The variance of this data set is?
adoni [48]
Answer:
636.41818
Step-by-step explanation:
^2=∑=1(−⎯⎯⎯)2−1
^2=−1
^2=6364.181811−1
^2=6364.181810
^2=636.41818
I hope this helps :)
Answer:
71 apples in each box
Step-by-step explanation:
438-12=426
426 divided by 6= 71
