The equation of a circle:

(h, k) - a coordinates of the center
r - a radius
A diameter d = 2r
We have

Answer: d = 2 · 10 = 20
Answer:
![\large\boxed{x^\frac{1}{5}=\sqrt[5]{x}}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7Bx%5E%5Cfrac%7B1%7D%7B5%7D%3D%5Csqrt%5B5%5D%7Bx%7D%7D)
Step-by-step explanation:
![a^\frac{1}{n}=\sqrt[n]{a}\\\\\text{Therefore}\\\\x^\frac{1}{5}=\sqrt[5]{x}](https://tex.z-dn.net/?f=a%5E%5Cfrac%7B1%7D%7Bn%7D%3D%5Csqrt%5Bn%5D%7Ba%7D%5C%5C%5C%5C%5Ctext%7BTherefore%7D%5C%5C%5C%5Cx%5E%5Cfrac%7B1%7D%7B5%7D%3D%5Csqrt%5B5%5D%7Bx%7D)
Answer:
3rd
Step-by-step explanation:
Step-by-step explanation:
you multiply 1/6 to each number in the brackets