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Maru [420]
3 years ago
9

HELP!!

Mathematics
1 answer:
Gre4nikov [31]3 years ago
3 0
So based on your diagram the following are the answers to your questions: 
<span>(a) Use an equation to express the length y of the building in terms of the width x.
</span>- y(x) = 600/x
(b) If the walls cost $100 per running foot, use an equation to express the cost C of the <span>walls in terms of the width x. 
- the answer is 6
</span>

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Which term completes the product so that it is the difference of squares?
FromTheMoon [43]

Answer:

the answer is  3

Step-by-step explanation:

(-5x-3)(-5x+3)=(5x)^2 - (3)^2

A difference of squares is the difference of two squared terms.

We have

a^2 - b^2

We can factorize the difference of squared terms like this:

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

We have (-5x-3)(-5x+3)

Lets prove it:

(-5x-3)(-5x+3) = (-5x*-5x)+(-5x*3)+(-3*-5x)+(-3*3)

(-5x-3)(-5x+3) = 25x^2+(-15x)+(15x)+(-9)

(-5x-3)(-5x+3) = 25x^2-15x+15x-9

(-5x-3)(-5x+3) = 25x^2-9

(-5x-3)(-5x+3) = (5x)^2 - (3)^2

6 0
3 years ago
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Nimfa-mama [501]
2 (x - 5) = 8

To solve, you use the distributive property as shown below!! :)

2x - 10 = 8
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Hope this helped you :)
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Make sure and read this carefully!
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Answer:

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Step-by-step explanation:

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