khadija411441 khadija411441

04-05-2017
Mathematics

contestada

What is the sum of the finite arthemetic series (-10)+0+10+20....+130

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Gamerkingjames Gamerkingjames

04-05-2017

that would be 20,30,40,50,60,70,80,90,100,110,120,130. 200,150,300,250
650 + 250 = so the answer would be 900.

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