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sukhopar [10]
2 years ago
14

!!!!PLEASE HELP!!!!

Mathematics
1 answer:
Lynna [10]2 years ago
3 0

(D)

Step-by-step explanation:

Multiply and divide the fraction by the conjugate:

\dfrac{2}{\sqrt{13}+\sqrt{11}}×\dfrac{\sqrt{13}-\sqrt{11}}{\sqrt{13}-\sqrt{11}}

= \dfrac{2(\sqrt{13} - \sqrt{11})}{(\sqrt{13})^2 - (\sqrt{11})^2}

=\dfrac{2(\sqrt{13} - \sqrt{11})}{2}

=\sqrt{13} - \sqrt{11}

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Mhanifa u helped me with this question.... U said it was 25 and its not so why is it wrong
Yanka [14]

Hey I don't know who Mhanifa is but 25 is correct, and I will put the entire explanation to how to get the answer here.

First of all the 2 lines on the left and right side of the triangles are means that those 2 lines are equal and thus forming a isosceles triangle.

This means that the bottom right angle is also 2x+2 degrees.

Now because all 3 angles in a triangle adds to 180 degrees, we can set up equation.

3x+1+2x+2+2x+2=180

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Then solve, first subtract 5 from both sides.

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Now divide 7 from both sides

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1.93 converted to fraction
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193
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