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Dvinal [7]
3 years ago
8

What is the perimeter and area of a rectangle if length is (2x+3) and width is (4x+6). Please show your answer !!

Mathematics
1 answer:
Bond [772]3 years ago
3 0
To find the area of a rectangle, the formula is length*width
(2x+3)(4x+6)
So you distribute it.
8x^2+12x+12x+18
Combine like terms.
8x^2+24x+18
The factor it out.
(8x^2+12x) (12x+18)
4x(2x+3) 6(2x+3)
(4x+6) (2x+3)

So the answer is:
2(x+3) (2x+3)

I hope this has helped. Have a great day/night!
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The average rate of change of the function in the given interval -3 ≤ x ≤-1 is 10.

<h3>What is the average rate of change?</h3>

The average Rate of Change of the function f(x) can be calculated as;

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