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Bezzdna [24]
3 years ago
15

The rectangle below is enlarged using a scale factor of 1.5. What will be the new length and width of the rectangle?

Mathematics
1 answer:
Likurg_2 [28]3 years ago
5 0

Answer: length = 4.5 m, width = 3 m

Step-by-step explanation:

When a shape is enlarged using a scale factor, you simply multiply each of the sides by the scale factor.

length = 3 * 1.5 = 4.5 m

width = 2 * 1.5 = 3 m

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luda_lava [24]

Answer:

20

Step-by-step explanation:

Let's start by rewriting the second equation in terms of "x":

x+y=5

Subtract y from both sides:

x=5-y

Now, substitute "5-y" for "x" in the first equation:

(5-y)^2-y^2=100

Note that:

(a-b)^2=a^2-2ab+b^2

25-10y+y^2-y^2=100

Cancel out like terms:

25-10y=100

Subtract 25 from both sides:

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Divide both sides by -10

y=\frac{75}{-10}=\frac{15}{-2}=-\frac{15}{2}

Now, substitute this value back into either of the equations to solve for x.

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Add 15/2 to both sides:

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Now, find the difference:

x-y=\frac{25}{2}-(-\frac{15}{2})=\frac{25}{2}+\frac{15}{2}=\frac{40}{2}=20

8 0
2 years ago
The Sullivan household wants build a patio deck in the shape of a 45-45-90 triangle in a nice corner section of their backyard .
dedylja [7]

Answer:

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Step-by-step explanation:

special right traingles

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4 0
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astra-53 [7]

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5 0
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Korvikt [17]

Step-by-step explanation:

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7 0
3 years ago
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