4 years ago

What is the average (arithmetic mean) of (5x + 16), (8x + 4), (-4x – 2)?

Mathematics

2 answers:

Step2247 [10]4 years ago

6 0

We have ( 5x+16 + 8x + 4 - 4x -2 )/3 = (9x + 18) / 3 = 9( x + 2 ) / 3 = 3( x + 2 ) = 3x + 6;

777dan777 [17]4 years ago

6 0

Answer:

The answer is 3x+6

Step-by-step explanation:

Arithmetic mean of those three values can be found into 2 steps:

All values need to be added
Total value need to be divided to total number of values

$avg=((5x+16)+(8x+4)+(-4x-2))/3=(9x+18)/3=3x+6$

The answer is 3x+6

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