SOLUTION: the sum of the fist 10 term of an arithmetic sequence is 530. what is the first term is 80? what is the common difference?
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Question 1118803: the sum of the fist 10 term of an arithmetic sequence is 530. what is the first term is 80? what is the common difference?
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
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Read and re-read attentively your post, especially this its part
"what is the first term is 80?"
Then fix it.
Then re-post.
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