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77julia77 [94]
3 years ago
15

The perimeter of a certain is 4 yards. find the area of the square in square feet.

Mathematics
1 answer:
Phoenix [80]3 years ago
4 0
1 yard=3 feet
4yards= 4•3= 12 feet

Perimeter of a square = 4•side = 12 so side of the square is 3 feet

Area of square = 3•3=9 Square feet
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3 0
3 years ago
A trapezoid has an area of 30m^2. if all of its side lengths are tripled, what will its new area be​
Norma-Jean [14]

Answer:

270

Step-by-step explanation:

Because we do not know what the side lengths are, as long as they multiply to 30m^2, it's fine

For this question, let's just say the base is 5, and the height is 6. If we triple 5, we get 15, and if we triple 6, we get 18. 15*18=270

Now what if, the sides are not 5 and 6. Will the area still be the same? Let's find out.

10*3=30 so we can say for this answer, the base is 3, and the height is 10.

10 tripled is 30, and 3 tripled is 9. 30*9=270

So as we look at these 2 answers. we can conclude that the new area, no matter the side lengths, will be 270

Hope this helpes!

5 0
3 years ago
What is the perimeter of this triangle?
salantis [7]

3w-15 is the answer ,

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( combime like terms )

= 3w - 15


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2 years ago
The equation x2 - 3x = 22
gizmo_the_mogwai [7]

Answer:

x = - 3.42443 or 6.42443

Step-by-step explanation:

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Plss help me in this
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Step-by-step explanation:

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