benwickersham benwickersham

Today at 4:41 AM
Mathematics

Answered

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

Answer :

RickyChen RickyChen

Today at 4:46 AM

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

Today at 4:46 AM

The correct answer is 110

Answer Link

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