kimberly198116 kimberly198116

09-11-2021
Mathematics

contestada

This is a further math question pls
Find the sum of the first eight terms of a linear sequence whose first term is 6 and whose last term is 46.

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jimthompson5910 jimthompson5910

09-11-2021

Answer: 208

Work Shown:

S = sum of the first n terms of an arithmetic sequence

S = (n/2)*(firstTerm + nthTerm)

S = (8/2)*(firstTerm + 8thTerm)

S = 4*(6 + 46)

S = 4*52

S = 208

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