b) In an Arithmetic Progression the 8th term plus the 4th term equals the 13thterm. If the 18th term is 76 what is the sum of the first 20 terms.?
b) In an Arithmetic Progression the 8th term plus the 4th term equals the 13thterm. If the 18th term is 76 what is the sum of the first 20 terms.?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter7: Exponents And Exponential Functions
Section7.10: Recursive Formulas
Problem 3CYU
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b) In an Arithmetic Progression the 8th term plus the 4th term equals the 13th
term. If the 18th term is 76 what is the sum of the first 20 terms.?
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