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Marianna [84]
3 years ago
13

The foundation for a new building at the high school is rectangular in shape. The area of the foundation is 5x^3 + 4x^2 - 10x -

8 square meters. If the width equals (x^2 - 2) meters. What is the length of the rectangular foundation?
Mathematics
1 answer:
katovenus [111]3 years ago
7 0

We should divide x^2-2 from the equation.

I will spare you from the boring steps of equation dividing.

Now getting 5x+4

Just do this like you are doing long division but instead using variables, be careful there is no x term in the second expression so you have to give it an empty space :)

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sasho [114]

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DE=18.38

Step-by-step explanation:

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Now, since it is given that A line, which is parallel to the base divides the triangle into two equal area parts, thus

\frac{ar ADE}{arABC}=\frac{1}{2}=\frac{(DE)^{2}}{(BC)^{2}}

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