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Mathematics 16 Online
OpenStudy (anonymous):

Please help D: What conjecture can you make about the sum of the first 10 positive even numbers? http://prntscr.com/inqs8 (1 point) The sum is 9 · 10. The sum is 10 · 10. The sum is 11 · 12. The sum is 10 · 11. I mean it when I say help, please don't give me the answer without making me work for it ^_^

OpenStudy (unklerhaukus):

find the sum of the first ten positive integers 2+4+6+8+10+12+14+16+18+20= ?

OpenStudy (anonymous):

110, yes?

OpenStudy (unklerhaukus):

no try again

OpenStudy (anonymous):

2 and 8 is ten, 6 and 4 is ten, 10, 14 and 16 is 30, 18 and 12 is 30, and then 20. 10+10+10+30+30+20. 30x3+20= 110.

OpenStudy (unklerhaukus):

ops, you were right,

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