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Dmitry [639]
2 years ago
6

What is the value of x geometry PLSS HELPP

Mathematics
1 answer:
Bogdan [553]2 years ago
7 0
The interior angle measures are 900 degrees
131+122+125+148+107+126 = 759
900-759 =141
X = 141
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Simplify the following​
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1) 11\sqrt{3}

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6) 7\sqrt{2}  - 5\sqrt{3}

Step-by-step explanation:

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=(2 × 2\sqrt{3} )+ (3 × 4\sqrt{3}) - 5\sqrt{3}

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2) 4\sqrt{8} -2\sqrt{98} + \sqrt{128}

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3) 5\sqrt{12\\} - 3\sqrt{18} + 4 \sqrt{72}  +2\sqrt{75}

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4) (2\sqrt{2}  + 3\sqrt{5} )^{2}

= 8 + 12\sqrt{10} + 45

= 53 + 12\sqrt{10}

5) (1+\sqrt{3} ) (1-\sqrt{3} )

= 1 - 3

= -2

6) (2\sqrt{6} -1) (\sqrt{3} -\sqrt{2}  )

= 2\sqrt{18}-2\sqrt{12}  -\sqrt{3}  +\sqrt{2}

= 2×3\sqrt{2} - 2×2\sqrt{3} - \sqrt{3} + \sqrt{2}

= 6\sqrt{2}  - 4\sqrt{3} -\sqrt{3} +\sqrt{2}

= 7\sqrt{2}  - 5\sqrt{3}

Hope the working out is clear and will help you. :)

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