I believe the answer is the last one. I hope this helps love! :)
Answer:
Description:
Distribute 2j to (j+3).
Rewrite the summation as the sum of two individual summations.
Evaluate each summation using properties or formulas from the lesson.
The lower index is 1, so any properties can be used.
The sum is 5,494,000.
Step-by-step explanation:
Edge 2020
x=−2
Algebra Example
23⋅(x−4)=2x
Simplify the left side.
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2x3−83=2x
Move all terms containing x
to the left side of the equation.
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−4x3−83=0
Add 83
to both sides of the equation.
−4x3=83
Multiply the numerator of the first fraction by the denominator of the second fraction. Set this equal to the product of the denominator of the first fraction and the numerator of the second fraction.
(−4x)⋅(3)=(3)⋅(8)
Answer:
1,080 in. cubed
Step-by-step explanation:
if you need an explanation I can give one
