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Earn +20 ptsQ: What is the sum of -18 39?
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What is the sum of 39?
39.
What are three consecutive even integers such that the sum of the first two is greater than 27 and the sum of the last two is less than 39?
14, 16, 18 and 16, 18, 20
Rewrite the sum of 75 + 18 as a product of the GCF of the two numbers and another sum?
The GCF in this case is 3. 75 + 18 = 93 93/3 = 31 Rewriting 31 as another sum seems unnecessary, but sure. (30+1) * 3 = 93 = 75 + 18.
What is the third magic sum in the 39 clues?
The 3rd magic sum in the 39 clues game is 42.
What is the mean of 18 23 39 10 17 16 and 15?
sum = 138 sample size = 7 138 / 7 ~= 19.714285714285715
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