24shrumhaley 24shrumhaley

15-04-2021
Mathematics

contestada

10 points

15. What is the rule for an arithmetic sequence whose first term is 12 and the common
difference is 9?

Respuesta :

malukaletlhogonolo malukaletlhogonolo

15-04-2021

Answer:

T1=12 a=12 a=T1

d=9

your Arithmetic equation is Tn=a+(n-1)d

Tn=a+(n-1)d

SUBSTITUTE a and d in your equation

Tn=12+(n-1)(9)

Tn=12+9n-9

Tn=3+9n or Tn=9n+3

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