Math Problem Statement
Find the sum of the 12 terms of the arithmetic seq. If the form an=3n+5?" -1) 4 The 3rd term is 12 and the 7th term is 8 what is the sum of 10 terms?
Solution
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Math Problem Analysis
Mathematical Concepts
Arithmetic sequences
Sum of arithmetic sequences
Equations of arithmetic sequences
Formulas
Sum formula of arithmetic sequences
Theorems
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Suitable Grade Level
High School
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