• anonymous
Whats the sum of the first 50 terms? $$\huge { 12 - -\frac{7}{10}n }$$ I am getting \ ( \huge -\frac{445}{2} \) is that right because it is stating it is wrong. They stat it is $$\huge -\frac{585}{2}$$ I am using $$\huge \frac{n}{2}[2*a_1 + (n-1)d) ] to solve$$
Mathematics
• Stacey Warren - Expert brainly.com
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SOLVED
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