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What is the sum of a 23–term arithmetic sequence where the first term is 9 and the last term is 141?
 2 years ago
 2 years ago
What is the sum of a 23–term arithmetic sequence where the first term is 9 and the last term is 141?
 2 years ago
 2 years ago

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strayfireBest ResponseYou've already chosen the best response.0
not sure on this one...do you have an answer key you can check...im getting 1131.78
 2 years ago

whatevsBest ResponseYou've already chosen the best response.0
No I dont have an answer key..its ok..
 2 years ago

whatevsBest ResponseYou've already chosen the best response.0
so what would be the sum?
 2 years ago

MaphBest ResponseYou've already chosen the best response.1
i can't figure out what the general sum would look like :(
 2 years ago

MaphBest ResponseYou've already chosen the best response.1
just add em all up i guess lol
 2 years ago
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