4. The sum of the first 10 terms of an arithmetic squence is 350. What is the first term if the tast term is 80 and the common difference is 2.
A.)64 B.)54 C.)34 D.)44
A.)64 B.)54 C.)34 D.)44
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Answer:
c
Step-by-step explanation:
Answer:
I think the answer is letter C or you better solve it i'll explain it to you.
Step-by-step explanation:
The last term is 80 and the common difference is 2 so what you gonna do is try all the choices first and check them if they fit.Example, the first choices is 64,so add 2 then continue until you find the correct answer.