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Evaluate^6 \sum_(i=1)^6 (-(1)/(3))^(i). Round your

Find a formula forSum_{j=1}^n (j+3) (j-4) So far, I have foiled to j^2-j-12. Thus,Sum_{j=1}^n(j^2) - Sum_{j=1}^n(j) -
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2. asked by James
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Evaluate^6 \sum_(i=1)^6 (-(1)/(3))^(i). Round your answer to the nearest hundredth.-0.01 5.25 -1.75 10.50
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what are the sums? \sum_(k=0)^5 50((1)/(8))^(k) \sum_(k=0)^6 27((1)/(3))^(k) \sum_(k=0)^6 33((1)/(2))^(k)
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2. asked by willie
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Let $|r| < 1$,$$S = \sum_{k=0}^{\infty} r^k,$$ and $$T = \sum_{k=0}^{\infty} k r^k.$$ Our approach is to write $T$ as a
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2. asked by TheDude
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This week in class, we covered one way to sum an arithmetico-geometric series. Now we're going to cover a different approach.Let
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2. asked by Edward
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What is the sum of this geometric series? \sum_(k-1)^4 6^(k-1)
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2. asked by willie
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sum_(n=-1)^infinity(-1)^(n+1) (1/3)^n = 9/4~~2.25...How do you find that out? Is there a formula?
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2. asked by jeff
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Does this series converge or diverge? If it converges what is the sum? \sum_(n=1)^(\infty ) -4(-(1)/(3))^(n-1)
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2. asked by slayrat
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Use the change-of-base formula to evaluate the expression. log_{11}22(Do not round until the final answer. Then round to three
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If you wanted to round $3.99, located in cell B3, to the nearest dollar, what is the correct Microsoft® Excel formula?(1 point)
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2. asked by Gir
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