The correct answer is -308
Answer:
![x=6](https://tex.z-dn.net/?f=x%3D6)
Step-by-step explanation:
5x - 24 = 3 * 2
5x - 24 = 6
5x = 30
x = 6
Answer:
![\large\boxed{C=16\pi\approx50.24}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7BC%3D16%5Cpi%5Capprox50.24%7D)
Step-by-step explanation:
The formula of a circumference of a circle:
![C=2\pi r](https://tex.z-dn.net/?f=C%3D2%5Cpi%20r)
r - radius
We have <em>r = 8</em>. Substitute:
![C=2\pi(8)=16\pi](https://tex.z-dn.net/?f=C%3D2%5Cpi%288%29%3D16%5Cpi)
![\pi\approx3.14\to C\approx(16)(3.14)=50.24](https://tex.z-dn.net/?f=%5Cpi%5Capprox3.14%5Cto%20C%5Capprox%2816%29%283.14%29%3D50.24)
2x² + 6x - 3 + 2x³ - 3x + 2
Combine like terms
2x³ + 2x² + 6x - 3x - 3 + 2
Final answer:
2x³ + 2x² + 3x - 1