OpenStax, Algebra and Trigonometry 2e §13.4 Series and Their Notations · Exercise 40 · Probability · Counting & chance

Series and Their Notations · Exercise 40

Use the formula for the sum of the first $n$ terms of an arithmetic series to find the sum.

$6 + \frac{15}{2} + 9 + \frac{21}{2} + 12 + \frac{27}{2} + 15$

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OpenStax, Algebra and Trigonometry 2e · §13.4 Series and Their Notations · Exercise 40

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