# 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)

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

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#### Solution Summary

The expert evaluates the sum in this case.

$2.49