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EastWind [94]
2 years ago
12

A rectangular rug has an area of 84 square feet. If the length is 8 feet more than the width, find the dimensions of the rug.​

Mathematics
1 answer:
Alex17521 [72]2 years ago
8 0

Answer:

w=6

l=14

Step-by-step explanation:

Area of rectangle = l*w

So:

w*(w+8)=84

Then, just find w, and w+8.

w^2+8w=84\\w^2+8w-84=0\\(w-6)(w+14)=0\\w-6=0, w=6\\w+14=0, w=-14

Length cannot be negative, so the width is 6.

Length = width + 8 = 6+8=14

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Elza [17]

The changes in Z would be = 6.1× 10^-4.

<h3>Calculation of the unknown value</h3>

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2 years ago
Esmerelda is five times as old as Ruth. Four years ago, the sum of their ages was 22 years. How old is each now?
Lina20 [59]

Answer:

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if Ruth is x, esmerelda is 5x,

four years ago,

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7 0
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Jon has to pay $7.50 admission for the skating rink and $1.50 per hour to rent rollerblades. Write an equation for the cost (y)
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Answer:

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