benwickersham benwickersham

27-06-2017
Mathematics

contestada

Super Duper Urgent!
Find the sum of the summation of 2 i minus 12, from i equals 7 to 16.

Respuesta :

RickyChen RickyChen

27-06-2017

Sigma(i = 7 to 16, 2i-12) = 2*sigma(i = 7 to 16, i) -120
= 2*115-120 = 110

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ohenry8thiam ohenry8thiam

01-08-2018

The correct answer is 110

Answer Link

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