If the nth term of an arithmetic progression is\[3n+7\], then what is the sum of its first 50 terms?

If the nth term of an arithmetic progression is\[3n+7\], then what is

1.	If the nth term of an arithmetic progression is\[3n+7\], then what is the sum of its first 50 terms?
A.	3925
B.	4100
C.	4175
D.	8200
Answer» D. 8200

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If the nth term of an arithmetic progression is\[3n+7\], then what is the sum of its first 50 terms?

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