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Margaret [11]
2 years ago
12

I need an explanation to this

Mathematics
2 answers:
Karolina [17]2 years ago
7 0

Answer:

second option

Step-by-step explanation:

the average is calculated as

average = \frac{sum}{count}

              = \frac{4x+5+7x-6-8x+2}{3}

              = \frac{3x+1}{3}

              = \frac{3x}{3} + \frac{1}{3}

              = x + \frac{1}{3}

kogti [31]2 years ago
4 0

Answer:

x + 1/3

Step-by-step explanation:

<u>It just basically the average of the three expressions</u>

<u>=> Remember to divide the expressions into 2 groups (the x group which contains x in it, and the numeral group which doesn't contains x)</u>

The x group: (4x + 7x + (-8x)) /3 = x

The numeral group: (5 +(-6) + 2) /3 = 1/3

So the answer must be x + 1/3, not x + 1

(I hope this is helpful)

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