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The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

Respuesta :

a+4d=9
a+31d=-84
-27d=93
d=(-31/9)

a+4(-31/9)=9
a=205/9

23rd term=a+22d
               =(205/9)+22(-31/9)
               =-53
The answer will be 53

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