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lubasha [3.4K]
3 years ago
7

The length of a rectangle is 2 units more than the width. The area of the rectangle is 48 units. What is the width, in units, of

the rectangle?
Mathematics
1 answer:
IRINA_888 [86]3 years ago
5 0

Answer:

6 units

Step-by-step explanation:

A = lw

l = w + 2

48 = lw

48 = (w + 2)w

48 = w² + 2w

0 = w² + 2w - 48

Quadratic equation results =

w = 6 or w = -8

But the measure could not be negative, therefore w = 6

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M*(x+y)+4y/(x^2-xy-y^2)=(x+2y)/(x^2-xy-Y^2),find the value of M
dybincka [34]

Answer: M  = \frac{x-2y}{x+y}  

Step-by-step explanation:

\frac{M(x+y)+4y}{x^{2}-xy-y^{2}  } =\frac{(x+2y)}{x^{2} -xy-y^{2} }

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3 0
3 years ago
Find the radius of a circle with an area of 380 in².
Likurg_2 [28]

Answer:

11 inches

Step-by-step explanation:

The area of a circle can be found using:

a=\pi r^{2}

We already know that the area is 380, so we can substitute 380 in for a.

380=\pi r^2

Now, we need to find the radius. To do this, we need to get r by itself

First, divide both sides by pi

380/\pi =\pi r^2/\pi

120.95775675=r^2

Since r is being squared, we need to take the square root of both sides

\sqrt{120.95775675}=\sqrt{r^2}

10.9980796846=r

If we round to nearest whole number, our radius is 11 inches

5 0
3 years ago
4(x + 2) represents the area of the rectangle above. Which expression below is equivalent by the Distributive Property? (4 point
Amiraneli [1.4K]
Hello : 
<span> by the Distributive Property
</span>4(x + 2) = (4×x) +(4<span>×2)= 4x +8</span>
6 0
3 years ago
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