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BARSIC [14]
3 years ago
7

I don’t know how to do this I need help can someone help me

Mathematics
1 answer:
sveta [45]3 years ago
4 0
Yes so for example starting at number 10 (x to the second power = 49) x would equal 7 because 7 to the second power is 49. (7x7= 49) Your answer is x=7.

Number 2 is x = 10 because 10 x 10 = 100
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<u>Concept</u><u> </u><u>Used </u><u>:</u><u>-</u>

  • The measure of a straight line is 180°. So the sum of angles on a straight line is 180° .

Using this ,

\bf\implies 6x + 12 + 3x - 3 = 180\\\\\bf\implies 9x + 9 = 180\\\\\bf\implies 9x = 180-9 \\\\\bf\implies x =\dfrac{171}{9}  \\\\\bf\implies\boxed{\red{\bf x = 19 }}

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