melissa65
melissa65 melissa65
  • 01-12-2016
  • Mathematics
contestada

Find the Nth term of the following sequence...

7, 27, 47, 67, .....

Respuesta :

wizard123
wizard123 wizard123
  • 01-12-2016
Arithmetic series which we are adding 20 to get next term.

Explicit formula for arithmetic series is:
[tex]A_n = A_1 + d(n-1)[/tex]
d =20
a1 = 7
Answer Link
jarens
jarens jarens
  • 01-12-2016
Use the formula an=a1+d(n-1).
an=20n-13
Answer Link

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