Math Problem Statement

Diketahui barisan aritmatika 60, 65, 70, . . . , maka besar suku ke-12 adalah  . . .

40

60

95

105

115

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic Sequences
Sequences and Series

Formulas

Un = U1 + (n - 1) × b

Theorems

Arithmetic Sequence Formula

Suitable Grade Level

Grades 7-9