miakoob3 miakoob3
  • 11-12-2020
  • Mathematics
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Write an equation for the nth term of the arithmetic sequence -4, 1, 6, 11, ... then find a50.

An equation is an=__n-__

a50=__

Respuesta :

nadia2318116
nadia2318116 nadia2318116
  • 12-12-2020

Answer:

241

Step-by-step explanation:

a(n) = a +(n-1)d

a=-4

d=1+5=6-1=11-6=5

   a(n) = -4+(n-1)5

   a(n) = -9+5n

   a(55) = -9+5(50)

            =241

hope this helps

   

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