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Pepsi [2]
2 years ago
5

f a storm window has an area of 400 square inches, what are the dimensions if the window is 12 inches wider than it is high (w x

h)?
Mathematics
2 answers:
anzhelika [568]2 years ago
5 0
Well if the window is 40 x 10  the L is 52 and the w 22 
denis23 [38]2 years ago
4 0
A=xy and we are told y=12+x so

A=12x+x^2 and A=400 so

x^2+12x=400

x^2+12x-400=0

x=(-12±√1744)/2

x≈14.88

So the dimensions are approximately 14.88" by 26.88"
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olga_2 [115]
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3 years ago
What is the value of a?
dexar [7]

Answer:

a= 2x <u><em>(edit: i just forgot it should be a integer x.x, forgive my blondiness)</em></u>

Step-by-step explanation:

usually when doing equations like that, you can separate one of the parenthesis with 0

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Then create a equation, which should look like:

2x-a=0

Then solve for a

(-2x)2x-a=0(-2x)\\(-1)-a=-2x (-1) \\a=2x

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3 years ago
When a sum of rupees hundred is divided in the ratio of 2 is to 3 find the share of each part ​
raketka [301]

Answer:

40 and 60

Step-by-step explanation:

Sum of ratio=2+3

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share of part 2=40

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3 years ago
A 20 ounce jar of spaghetti sauce costs 2.89.Find the cost per ounce
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Answer:

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Step-by-step explanation:

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3 years ago
1. The prism-shaped roof has equilateral triangular bases. Create an equation that models the height of one of the roof's triang
lana66690 [7]

Answer:

h=\frac{\sqrt{3}}{2}b\ units    

Step-by-step explanation:

we know that

An equilateral triangle has three equal sides and three equal interior angles (the measure of each interior angle is equal to 60 degrees)

see the attached figure to better understand tyhe problem

Let

h ----> the height of an equilateral triangle

b ---> the length side of an equilateral triangle

In the right triangle ABD

Applying the Pythagorean Theorem

AB^2=AD^2+BD^2

substitute the given values

b^2=(\frac{b}{2})^2+h^2  

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h^2=b^2-\frac{b^2}{4}

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square root both sides

h=\frac{\sqrt{3}}{2}b\ units      

7 0
2 years ago
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