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Q: What is the mean of 2 plus 5 plus 9 plus 12 plus 16?

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149

2 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 106

16 + 72(-8) + 6(-2) 16 - 576 - 12 = -572

3x + 2= 3 (times) 4= 12 12+4= 16 The answer is 16.

If the question is what is 12 + 2², the answer is 16: 12 + 2² = 12 + (2x2) = 12 + 4 = 16. If the question is what is (12 + 2)², the answer is 196: (12 + 2)² = 14² = 14 x 14 = 196.

72

916 + 12 = 928 9/16 + 1/2 = 17/16 = 1 and 1/16

8y/y + 2 + 16/y + 2 = 8 + 2 + 16/y +2 = 12 + 16/y = 4(3 + 4/y) or 4/y*(3y + 4)

16/12 or 4/33/4 * 3/3 = 9/121/2 * 6/6 = 6/12................1/12===========...............16/12 or 4/3

16 and 8 is the simplest example. Mean = (16 + 8) / 2 = 12 Range = 16 - 8 = 8

2x + 4 = 16 2x = 16 - 4 2x = 12 x = 12/2 x = 6

If you mean x^2 -10x+16 then it is (x-2)(x-8) when factored

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