moralesariana2007
moralesariana2007 moralesariana2007
  • 11-12-2020
  • Mathematics
contestada

Find the 20th term: -30, -22, -14, -6, ....

(Hint: Finding the nth term if an Arithmetic Sequence formula: a, = a; +(n-1)d. ) show work please

Respuesta :

nadia2318116
nadia2318116 nadia2318116
  • 12-12-2020

Answer:

122

Step-by-step explanation:

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

  a=-30

 d=-22+30=-14+22=-6+14=8

   a(n) = -30+(n-1)8

   a(20) = -30+(20-1)8

             =122

hope this helps

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