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anonymous
 one year ago
12 Σ n=3 (5n 1) can someone help me solve?
a) 410
b)385
c) 385
d) 410
anonymous
 one year ago
12 Σ n=3 (5n 1) can someone help me solve? a) 410 b)385 c) 385 d) 410

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LynFran
 one year ago
Best ResponseYou've already chosen the best response.2i have a calculator that gives me the answer...but lets work it out ok\[\sum_{n=3}^{12}(5x1)\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I have solved others like it but i think the x through me

LynFran
 one year ago
Best ResponseYou've already chosen the best response.2error that shd be n" not x so 5n1

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay, i was told to rewrite 5n1 starting at 3 until i get to 12

LynFran
 one year ago
Best ResponseYou've already chosen the best response.2ok i dont really know how to explain this ...look here it have all the steps https://www.symbolab.com/solver/trigonometricequationcalculator/%5Csum_%7Bn%3D3%7D%5E%7B12%7D%5Cleft(5n1%5Cright)%20/?origin=enterkey

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you for your help, i got the correct answer :)
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