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Earn +20 ptsQ: What is the sum of 2 fifteens and 7 fifteens?
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Can 7 fifteens be simplified?
Seven fifteens is 105. If you mean 7 fifteenths, it is already in its lowest terms.
What is the expression for the sum of -2 and 6 and 7?
the sum of -2 and 6 and 7 is (-2+6+7)
What is 1 third plus 2 fifteens?
(1/3)+(2/15)=(5/15)+(2/15)=7/15 so, seven fifteenths.
Find the sum of all positive integers not greater than 10000 that are not divisible by 7?
Sum(not div by 7) = Sum(all) - Sum(div by 7) Now the sum of an AP is Sn = n/2 (first + last) where n is the number of terms Sum(All) = 10000/2 (1 + 10000) = 50005000 Sum(div by 7) = (9996/7)/2 (7 + 9996) = 1428/2 (10003) = 7142142 Sum(not div by 7) = Sum(all) - Sum(div by 7) = 50005000 - 7142142 = 42 862 858
What is expressions 7 multiplied by the sum of 2 and 5?
Sum of is a grouping symbol. 7*(2+5)
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