shartiff1useem
shartiff1useem shartiff1useem
  • 23-06-2016
  • Mathematics
contestada

If the common difference in an arithmetic sequence is 4, and the 20th term is 36, what is the first term

Respuesta :

mayurimjani
mayurimjani mayurimjani
  • 23-06-2016
d=2

a+29d=36

then a=-22
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