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Talja [164]
3 years ago
15

The length of a rectangle is 3 more inches than its width. The area of

Mathematics
2 answers:
Lilit [14]3 years ago
6 0

Answer:

9

Step-by-step explanation:

Length: a

Width: b

ab = 54

a = b + 3

=> (b + 3)b = 54

=> b^2 + 3b = 54

=> b^2 + 3b - 54= 0

=> (b - 6)(b + 9)

=> b = 6 AND b = -9

Rectangular's sides > 0 => b = 6

Hope it's helpful :)

Zolol [24]3 years ago
5 0
The tittle in usbfphwzo 88
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3 years ago
2. Evaluate f(x) = 3x+5/x-1<br> at x = 3
pashok25 [27]

Answer

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3 years ago
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bagirrra123 [75]
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7 0
3 years ago
How do I solve it because it’s really difficult
dybincka [34]

The solution of the equation is x= 3 and y = 2

Step-by-step explanation:

Given,

-3x-4y = -17 and

-x-3y = -9

The system of equation can be rewritten as

3x+4y = 17 ------eq 1 and

x+3y = 9 ------ eq 2

To solve for x and y

Multiplying eq 2 by 3 we get,

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or, 3x = 27-9y

Putting this value of x into eq 1 we get,

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or, -5y = 17-27

or, -5y = -10

or, y = 2

Now put y=2 in eq 2 we get,

x = 9 - 3(2)

= 3

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3 years ago
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