robynndavis29 robynndavis29

04-08-2022
Mathematics

contestada

Find a formula for the nth term
of the arithmetic sequence.
First term 9
Common difference -2

Find a formula for the nth term of the arithmetic sequence First term 9 Common difference 2 class=

Respuesta :

Raflame Raflame

04-08-2022

Answer:

arithmetic sequence formula: first term + (n - 1)common difference

9 + (n - 1)-2

9 + -2n + 2

= -2n + 11

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musaddiqkhan musaddiqkhan

04-08-2022

Answer:
given,a= 9 and d= -2
nth term=a+(n-1)d
=9+(n-1)-2
=9-2n+2
=11-2n

Therefore nth term = 11-2n

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