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Bond [772]
3 years ago
8

Simplify this expression;

Mathematics
1 answer:
yanalaym [24]3 years ago
5 0
mn/3  To raise a product to a power, raise each factor to that power. Then, simplify the expression by multiplying exponents. Lastly, reduce the fraction.
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( 7x + 2x - 3x2 + 9x) + (5x + 8x2 - 6x2 + 2x - 5)​
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-x2+25x-5

Step-by-step explanation:

7x+2x−3x2+9x+5x+8x2−6x2+2x−5

=−x2+25x−5

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during a school pep rally 15 students wear a white shirt in 45 students wore blue shirt what percentage of students wore blue sh
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The length of the rectangle is 7/(x-4) feet, while its width is 5/x feet. Find its perimeter. Please help asap!!!!! :(
damaskus [11]

The perimeter would be (24x - 40)/(x^2 - 4x).

In order to find this, first double the length and width as you would to find any perimeter.

7/(x - 4) * 2 = 14/(x - 4)

5/x * 2 = 10/x

Now to add those together, we need to give them common denominators. In order to do that with the first one, we need to multiply by x/x

14/(x - 14) * x/x = 14x/(x^2 - 14x)

Then we can do the same with the second part by multiplying by (x - 4)/(x - 4)

10/x * (x - 4)/(x - 4) = (10x - 40)/(x^2 - 14x)

Now we can add the two together

14x/(x^2 - 14x) + (10x - 40)/(x^2 - 14x) = (24x - 40)/(x^2 - 14x)

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3 years ago
What is the slope of the line that passes through the points (−3, 1) and (1, −5) ?
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m =  \frac{ - 5  - 1}{1 + 3}  =  -  \frac{6}{4}  = \color{green} \boxed{  -  \frac{3}{2} }

8 0
3 years ago
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