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Write an equation for the nth term of the arithmetic sequence. Then find a10 a 10 . −3,−6,−9,−12,... − 3 , − 6 , − 9 , − 12 , . . .

Sagot :

Answer:

-30

Step-by-step explanation:

Since the first term is -3 and the common difference is 3, the equation for the nth term is [tex]-3-3(n-1)[/tex] (Test it out!).

Therefore, the 10 term will be [tex]-3-3(10-1)[/tex] which is [tex]-3-3(9)[/tex] which simplifies to [tex]-3-27[/tex] which results in [tex]-30[/tex].

Hope this helps :)

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