Answer:x=4,8
Step-by-step explanation:
Given
![x=2\sqrt{x-4}+4](https://tex.z-dn.net/?f=x%3D2%5Csqrt%7Bx-4%7D%2B4)
![x-4=2\sqrt{x-4}](https://tex.z-dn.net/?f=x-4%3D2%5Csqrt%7Bx-4%7D)
Squaring both sides
![(x-4)^2=4(x-4)](https://tex.z-dn.net/?f=%28x-4%29%5E2%3D4%28x-4%29)
![x^2+16-8x=4x-16](https://tex.z-dn.net/?f=x%5E2%2B16-8x%3D4x-16)
![x^2-12x+32=0](https://tex.z-dn.net/?f=x%5E2-12x%2B32%3D0)
![x=\frac{12\pm \sqrt{12^2-4\times 32}}{2}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B12%5Cpm%20%5Csqrt%7B12%5E2-4%5Ctimes%2032%7D%7D%7B2%7D)
![x=\frac{12\pm 4}{2}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B12%5Cpm%204%7D%7B2%7D)
![x=4,8](https://tex.z-dn.net/?f=x%3D4%2C8)
You mean ; v= pi 2 h , solve for h
if that is the question , so , h = pi r 2 divided by v
I hope you know what is the sign for " pi "
Answer:
400
Step-by-step explanation:
429 is closest to 400 on the number line so it would be 400