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What is the sum of the first 19 terms in the arithmetic sequence 3+7+11+...

What is the sum of the first 19 terms in the arithmetic sequence 3+7+11+...
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What is the sum of the first 19 terms in the arithmetic sequence 3+7+11+...

User Bbuecherl
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3,7,11,15,19,23,27,31,35,39,43,47,51,55,59,63,67,71,75

You plus 4 every time.
Hope this helped :)
User Cozyss
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the sum of the first 19 terms is 3+7+11+15+19+23+27+31+35+39+43+47+51+55+59+63+67+71+75= 741
User Roberto Olivares
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