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    Evaluate the sum

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    I really need assistance on these three calculus problems....

    Evaluate the sum:
    7
    ∑ k (6k+5) (Simplify your answer)
    K=1

    Evaluate the sum:
    6
    ∑ (-13k)
    K=1
    (Simplify your answer)

    Find the function y(x) satisfying dy/dx=6x-5 and y(5)=0 is y(x) = ?
    (Simplify your answer)

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    https://brainmass.com/math/calculus-and-analysis/evaluate-sum-275631

    Solution Preview

    Evaluate the sum:
    7
    ∑ k (6k+5) (Simplify your answer)
    K=1

    Solution

    7
    ∑ k (6k+5) = 1*11+2*17+3*23+4*29+5*35+6*41+7*47=2069
    ...

    Solution Summary

    The expert evaluates the sum in this case.

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