You square root the whole equation.
<span>y^2=100-x^2
</span>√y^2= √100 - √x^2
<span>y=10-x</span>
Step-by-step explanation:
Given
![4 {n}^{2} - 1](https://tex.z-dn.net/?f=4%20%7Bn%7D%5E%7B2%7D%20%20-%201)
![( {2n})^{2} - {1}^{2}](https://tex.z-dn.net/?f=%28%20%7B2n%7D%29%5E%7B2%7D%20%20-%20%20%7B1%7D%5E%7B2%7D%20)
![(2n + 1)(2n - 1)](https://tex.z-dn.net/?f=%282n%20%2B%201%29%282n%20-%201%29)
Hope it will help :)
The United States pushed for control of Oregon county to increase American settlement in the Pacific Northwest.
6.3 x 106 ÷ 7 x 10-5 = 0.9 x 1011 or 9 x 1010