jazzyway123409 jazzyway123409

08-10-2020
Mathematics

contestada

find the 49th term of a sequence with a=50 and D=4

Respuesta :

xetrikanchan12 xetrikanchan12

08-10-2020

Answer:

a=50

d=4

Then

Sn=n÷2 (2a+(n_1)d)

S49=49÷2 (2×50+(49-1)4)

=7154

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