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Klio2033 [76]
3 years ago
6

PLZ HELP?!!! GIVING BRAINLIEST!! Alexandra is installing edge material around her yard. She has 400 ft of edge material to surro

und three sides of her rectangular yard. The fourth side will be against her deck and does not need edging. What is the maximum area that can be enclosed by the edging? Enter your answer in the box.

Mathematics
2 answers:
tekilochka [14]3 years ago
6 0
The answer would be 20,000ft2
See the attachment
Hope this helps.

jeka943 years ago
3 0

I answered so they can finally get brainliest for their good answer.

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Use substitution method <br>3x +4y+175x-2y=11​
Viefleur [7K]

3x +4y+175x-2y=11

4y-2y+175x+3x=11

2y+178x=11

2y=11-178x

y=\frac{11-178x}{2}

y=-89x+\frac{11}{2}

178x=-2y+11

x=\frac{-2y+11}{178}

x=\frac{-1}{89} y+\frac{11}{178}

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2 years ago
What is the length of side PQ?
Margaret [11]
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A 44 ft ladder leans against a building so that the top of the ladder touches the building at a point 27 ft above the ground. To
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A city had population 67,255 on January 1,2000, and its population has been increasing by 2935 people each year since then. A li
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It is given in the question that

A city had population 67,255 on January 1,2000, and its population has been increasing by 2935 people each year since then.

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klemol [59]

the cheap answer is simply

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we can simply multiply the terms on one by the terms of the other and then add like-terms and simplify.

\bf (x-5)(x^2+4x-2)\implies \begin{array}{cllll} x^2+4x-2\\ \times x\\ \cline{1-1}\\ x^3+4x^2-2x \end{array}+ \begin{array}{cllll} x^2+4x-2\\ \times -5\\ \cline{1-1}\\ -5x^2-20x+10 \end{array} \\\\\\ x^3+4x^2-2x-5x^2-20x+10\implies x^3+4x^2-5x^2-2x-20x+10 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill x^3-x^2-22x+10~\hfill

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3 years ago
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