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Effectus [21]
3 years ago
6

Can someone help me with this question? step by step pls

Mathematics
2 answers:
hammer [34]3 years ago
6 0

Answer:

Step-by-step explanation:

Sonja [21]3 years ago
5 0
In order to find the area of the web browser, recall that the equation to find the area is length*width. Since we know that the area is 24 square inches, we can create an equation:

x(x - 2) = 24
x^2 - 2x - 24 = 0

Factor:
(x - 6)(x + 4) = 0

{6, -4}

Since the length can't be a negative number, we can rule out -4 and affirm that x = 6.

Since we know the browser makes up 3/13 of the screen, we can make an equation with a variable where 'a' represents area of the computer:

(3/13) * a = 6
3a/13 = 6
3a = 78
a = 26

Now that we know the area, we can solve for the dimensions:

l*w = 26
(x + 7) * w = 26
(6 + 7) * w = 26
(13) * w = 26
w = 2

Input the width into the original equation:
l * (2) = 26
l = 13

The dimensions of the computer are 13 x 2.
The length of the browser is 6 inches.

Let me know if you need me to explain anything I did here.
-T.B.
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