Ask your own question, for FREE!
Mathematics 7 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

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!