17-11-2019
Mathematics

contestada

an = 5 - 7n. What is the value of a12?

Respuesta :

elcharly64 elcharly64

29-11-2019

Answer:

The value of [tex]a_{12}=-79[/tex]

Step-by-step explanation:

Being the general expression of the sequence:

[tex]a_n=5-7n[/tex]

We replace the value n=12 to get

[tex]a_{12}=5-7\times 12=5-84=-79[/tex]

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