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  • 08-02-2017
  • Mathematics
contestada

Write an equation for the nth term of the arithmetic sequence. Then find a 10

-5,-4,-3,-2....

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apologiabiology
apologiabiology apologiabiology
  • 08-02-2017
an=a1+d(n-1)
a1=first term
an=nth term
d=common dffernce

given
first term is -5
it increases by 1

an=-5+1(n-1)
a10
a10=-5+1(10-1)
a10=-5+1(9)
a10=-5+9
a10=4

10th term or a10 is 4
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