Given the set: {-2, 10, -8, -14, x,

calcolare45pj

calcolare45pj

Answered question

2022-03-27

Given the set: {-2, 10, -8, -14, x, 7, -6}, for what x would the mean of the set be -8?

Answer & Explanation

strahujufl75

strahujufl75

Beginner2022-03-28Added 8 answers

You can calculate the mean of the set by adding all the numbers and dividing the sum by the amount of numbers.
In this case, the mean of your set would be
2+10+(8)+(14)+x+7+(6)7=13+x7
So, in order to find x, you need to solve the equatoin
13+x7=8
multiply both sides with 7
-13+x=-56
add 13 on both sides
x=-43

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