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Natasha2012 [34]
3 years ago
9

How to move variable from denominator to numerator?

Mathematics
1 answer:
abruzzese [7]3 years ago
5 0
By changing their exponent to negative.

Ex.
\frac{1}{ {x}^{2} }  =  {x}^{ - 2}  \\  \frac{2}{y}  = 2 {y}^{ - 1}
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(2x - 4)+ ( x + 9)<br> A. 3x+5<br> B.x+5<br> C.3x-13<br> D.x+9
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3 years ago
The radius of a nitrogen atom is 5.6 × 10^-11 meters, and the radius of a beryllium atom is 1.12 × 10^-10 meters. Which atom has
Airida [17]
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Beryllium atom: 1.12 × 10⁻¹⁰

Since 1.12 is bigger than 0.56, then the radius of beryllium atom is larger of the radius of nitrogen atom. Let's see by how many times:
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4 0
3 years ago
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