anjammobdulieth anjammobdulieth

06-11-2016
Mathematics

contestada

What is the 42nd term of the sequence 12.25, 14.50, 16.75,...?

Respuesta :

07-11-2016

T3 - T2 = T2 - T1
16.75 - 14.50 = 14.50 - 12.25
2.25 = 2.25

so this is arithmetic progression

T42 = 12.25 + 41(2.25)
= 12.25 + 92.25
= 104.5

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