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kells
 5 years ago
Write out the first three terms and the last term of ∑(2i+6) (on top of the sigma sign is 40 and on the bottom i=1) . Use the formula for the sum of the first n terms of an arithmetic sequence find the sum.
kells
 5 years ago
Write out the first three terms and the last term of ∑(2i+6) (on top of the sigma sign is 40 and on the bottom i=1) . Use the formula for the sum of the first n terms of an arithmetic sequence find the sum.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\sum_{i=1}^{40}(2i+6)\]?

Kells
 5 years ago
Best ResponseYou've already chosen the best response.0yes thats how the equation looks

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0first three term (2(1)+6)+(2(2)+6)+(2(3)+6)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0last three term same thing start from 38, 39,40

Kells
 5 years ago
Best ResponseYou've already chosen the best response.0thank you I really appreciate the help

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Do you need help with arithemtic sum? Also if I helped you some way, please fan me

Kells
 5 years ago
Best ResponseYou've already chosen the best response.0I understand arithmetic sum now thanks to you help but I do need help with another problem.
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