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2 years ago

10

Pls help I have a test today in math :( no 1 would help me pls try to help and its in 12:20 so I have a lot of time but pls help

! I’d really appreciate ty have a good day

1 answer:

barxatty [35]2 years ago

8 0

Answer:

second option, 6/16 is correct, aswell as the third option, 9/24

Step-by-step explanation:

brainliest?

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2 years ago

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almond37 [142]

Answer:

option D

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Step-by-step explanation:

Given in the question an expression,

$\frac{9}{\sqrt{x} -\sqrt{x-3}}$

Step 1

Divide and multiple by $\sqrt{x}+\sqrt{x-3}$ to remove radical sign from denominator.

$\frac{9}{\sqrt{x} -\sqrt{x-3}}*\frac{\sqrt{x} +\sqrt{x-3}}{\sqrt{x} +\sqrt{x-3}}$

Step 2

Apply a² - b² = (a+b)(a-b)

$\frac{9*\sqrt{x}+\sqrt{x-3}}{\sqrt{x^{2}}-\sqrt{(x-3)^{2}}}}$

Step 3

$\frac{9*\sqrt{x}+\sqrt{x-3}}{x-x+3}$

Step 4

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Step 5

$3*(\sqrt{x}+\sqrt{x-3})$

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Step-by-step explanation:

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