The mean/average is found by adding all of your values and then dividing by the number of values found.
7+7+7+7+7+7+7+7+7+7=70
There are 10 size 7 shoes. Divide 70 by 10 to get the mean, which is 7.
Another ex.
Find the average of numbers listed
1+4+8
these add up to 13
there are 3 numbers listed
13/3=4.33 so the mean is 4.33
Answer:

Step-by-step explanation:
If the complex number
is a root of a cubic function, then the complex number
is a root too. Thus, the cubic function has three known roots
and can be written as

Step-by-step explanation:
2x + 1 = 3x -3 + 4 ➡ 2x + 1 = 3x + 1
x = 0
Answer:
1/13
Step-by-step explanation:
In a deck of 52 cards, there are 4 kings
P(king) = number of kings / total cards
P (king) = 4/52
= 1/13
Answer is C x=1 because that’s the middle of it.