First step when finding the mean is to add all the values together
7 + -9 + 6 + -10 + -13 + -5
To make this easier, first add all the positive numbers 7 + 6 = 13
Then add (basically take away) the minus values one by one
13 - 9 = 4
4 - 10 = -6
-6 - 13 = -19
-19 - 5 = -24
Next step is to divide this total by the number of values there were
In this case, there were 6 values
-24 / 6 = -4
D. -4
Answer:
=−18y4−27y3+81y2
Step-by-step explanation:
270.1666666666667 this is the anwser
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we are given
now, we can factor out right side term
now, we can plug back
and we get
so,
.............Answer
