15-07-2016
Mathematics

contestada

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

Respuesta :

16-07-2016

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

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Аноним Аноним

17-07-2016

The answer will be 53

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