Seudónimo Seudónimo

14-05-2021
Mathematics

contestada

What is the twelfth term in the sequence 13, 26, 39, …?
A. 39
B. 52
C. 156
D. 166

Respuesta :

mhanifa mhanifa

14-05-2021

Answer:

156

Step-by-step explanation:

Given the sequence

13, 26, 39, …

We see it is an AP with

The first term a = 13
Common difference d = 13 ( as 26 - 13 = 39 - 26 = 13)

The 12th term is:

a₁₂ = a + 11d = 13 + 11*13 = 156

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