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yuradex [85]
3 years ago
11

URGENT! If you get the correct answer, you will get a BRAINLIEST!

Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0

Answer:

x_{1} =  - 2 -  \sqrt{2}  \\ x_{2} = - 2 +  \sqrt{2}

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GuDViN [60]
The answer would be 10!
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3 years ago
Which expressions simplify to a rational answer? Select each correct answer. 29√⋅4√ 3√⋅16−−√ 73⋅−√3√ 5√⋅5√
PolarNik [594]

Answer:

The correct options are 1, 3 and 4.

Step-by-step explanation:

We need to find the expressions whose simplified form is a rational number.

Rational number: If a number is defined in the form of p/q where p and q are integers and q≠0, then it is called a rational number.

For example: 0,2, 4.3 etc.

Irrational number: If a number can not defined in the form of p/q, where p and q are integers and q≠0, then it is called an irrational number.

First expression is

2\sqrt{9}\cdot \sqrt{4}=2(3)\cdot (2)\Rightarrow 6\cdot 2=12

12 is a rational number.

Second expression is

\sqrt{3}\cdot \sqrt{16}=\sqrt{3}\cdot 4\Rightarrow 4\sqrt{3}

4\sqrt{3} is an irrational number.

Third expression is

7\sqrt{3}\cdot \sqrt{3}\Rightarrow 7\cdot 3=21

21 is a rational number.

Fourth expression is

\sqrt{5}\cdot \sqrt{5}=5

5 is a rational number.

Therefore, the correct options are 1, 3 and 4.

4 0
3 years ago
Pleeeaaasssee Help!!!!
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It’s the first one!! :)))
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Look at photo <br><br><br><br><br><br> ————————————————————————
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2 years ago
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stepan [7]

Answer:

3

Step-by-step explanation:

x = 3

3 0
2 years ago
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