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Mathematics 11 Online
OpenStudy (jkbo):

What conjecture can you make about the sum of the first 10 positive even numbers? https://www.connexus.com/content/media/451160-1212010-34856-PM-657073553.png The sum is 9 · 10. The sum is 10 · 10. The sum is 11 · 12. The sum is 10 · 11.

OpenStudy (btaylor):

THe sum is 10 x 11. Because the sum of the first n is n(n+1)

OpenStudy (jkbo):

thanks

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