livy123098 livy123098
  • 19-04-2017
  • Mathematics
contestada

What is the 33th term of the arithmetic sequence 9.4, 10.6, 11.8, 13,

Respuesta :

clemm28946 clemm28946
  • 19-04-2017
a(1) = 6 = d + c 

a(4) = 33 = 4d + c 

3d = 27=> d=9 

c = -3 

a(2) = 9(2) - 3 = 15 

a(3) = 15 + 9 = 24
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