kaydenlolcoronel kaydenlolcoronel
  • 23-10-2020
  • Mathematics
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Is the sequence arthmetic: 17, 9, 1, -7

Respuesta :

RedDoraGon RedDoraGon
  • 23-10-2020

Answer:S(40)=(40/2)(2*17+[40-1]4)

       =(20)(34+39*4)

       =(20)34+156)

       =(20)(190)

       =3800, D.

Step-by-step explanation:

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