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damaskus [11]
3 years ago
5

Need help ASAP thank you !!!!!

Mathematics
1 answer:
andriy [413]3 years ago
7 0

teh answer is B happy to help (:

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The length of a rectangle is five times its width. If the area of the rectangle is 320m, find the perimeter
Roman55 [17]

Answer: The perimeter is 96 m

Step-by-step explanation:

If we tag the length of the rectangle as l and the width as w, and if in addition we are told l=5 w,the dimensions of the rectangle are as shown in the figure.

Now, the area of a rectangle is given by:

A=(l)(w)=320 m^{2}

Since l=5 w:

A=(5w)(w)=320 m^{2}

Isolating w:

5w^{2}=320 m^{2}

w=\sqrt{\frac{320 m^{2}}{5}}

w=8 m

On the other hand, the perimeter of a triangle is given by the addition of each of its sides. Then, if the rectangle has two sides that measure w and two sides that measure 5 w, the perimeter is:

P=2(5)(w)+2w

Substituting the value of w in the last equation:

P=2(5)(8 m)+2(8 m)

Finally the perimeter is:

P=96 m

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Step-by-step explanation:

well, it crosses the x-axis and the y-axis.

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Whoever gets the answer right, gets the Brainliest. MUST BE CORRECT.
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I desperately need help​
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Answ you need to find the slope using the coordinates. Then, you need to write the equation in Point-slope form and Slope-Intercept. (If ur teacher wants Standard Form do that too

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