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Marta_Voda [28]
3 years ago
14

Find the perimeter (add up all the sides) of the quadrilateral in simplest form.

Mathematics
1 answer:
Inga [223]3 years ago
7 0

Answer:

2x + x +  \frac{1}{x}  +  \frac{2}{3x}  \\  =  \frac{6 {x}^{2}  + 3 {x}^{2} + 3 + 2 }{3x}  \\  =  \frac{9 {x}^{2} + 5 }{3x}

Step-by-step explanation:

I am a math teacher If you need any explanation you can communicate with me on Whats on this number 01557831028

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What is the difference?
Crazy boy [7]

Answer:

<h2>D. \frac{x^{2}+3x-12 }{(x-5)(x+3)(x+7)} \\ or StartFraction x squared + 3 x minus 12 Over (x + 3) (x minus 5) (x + 7) EndFraction</h2>

Step-by-step explanation:

Given the expression \frac{x}{x^{2}-2x-15 } - \frac{4}{x^{2} + 2x - 35 }, the dfference is expressed as follows;

Step1: First we need to factorize the denominator of each function.

\frac{x}{x^{2}-2x-15 } - \frac{4}{x^{2} + 2x - 35 }\\= \frac{x}{x^{2}-5x+3x-15 } - \frac{4}{x^{2} + 7x-5x - 35 }\\= \frac{x}{x(x-5)+3(x-5) } - \frac{4}{x( x+ 7)x-5(x +7) }\\= \frac{x}{(x-5)(x+3) } - \frac{4}{(x-5)(x +7) }\\\\

Step 2: We will find the LCM of the resulting expression

=  \frac{x}{(x-5)(x+3) } - \frac{4}{(x-5)(x +7) }\\= \frac{x(x+7)-4(x+3)}{(x-5)(x+3)(x+7)} \\= \frac{x^{2}+7x-4x-12 }{(x-5)(x+3)(x+7)} \\= \frac{x^{2}+3x-12 }{(x-5)(x+3)(x+7)} \\

The final expression gives the difference

6 0
3 years ago
I need help please help me
Varvara68 [4.7K]

Answer:

I found x for you, right there.

8 0
2 years ago
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Step-by-step explanation:

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I believe B . Because it seems equivalent
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