The expected value of a distribution is considered as a mean, or average, for a probability distribution. It represents the center of the possible values of a variable. That doesn't necessarily mean it would be one of the possible values of x.
For this case we must simplify the following expression:

We solve the parenthesis:

We apply distributive property to the terms within parentheses:

We add similar terms:

Answer:

Answer:
1
Step-by-step explanation:
slope must be same because it is paralel
Answer
(3, -5)
Step-by-step explanation:
hope it helps :)
Answer:
Step-by-step explanation:
It is the same way:
we know that
if A , O and B lie on a straight line segment
then
∡AOY+∡YOZ+∡ZOB=180°
so
3x+x+x=180-----> 5x=180--------> x=180/5--------> x=36°
the answer is
x=36°
<em>please mark me as brainliest</em>