Infinite i think. because the two equations are the same.
Answer:
Step-by-step explanation:
According to the question, the correct graph is D.
It's not A because, the ball is thrown after some pause and the ball doesn't roll on the roof, falls immediately.
It's not B or C because the ball goes up after reaching the roof but should fall down.
Answer:
i think 9 but 6 could also be right
Step-by-step explanation:
18-12=6------18-3=15-------15-3=12-----------12-3=9
Answer:
![x = \sqrt{32}](https://tex.z-dn.net/?f=x%20%3D%20%5Csqrt%7B32%7D)
Step-by-step explanation:
![\frac{4}{x} - \frac{x}{8} = 0\\\\\frac{4}{x} = \frac{x}{8}\\\\x^2 = 32\\\\x = \sqrt{32}](https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7Bx%7D%20-%20%5Cfrac%7Bx%7D%7B8%7D%20%3D%200%5C%5C%5C%5C%5Cfrac%7B4%7D%7Bx%7D%20%3D%20%5Cfrac%7Bx%7D%7B8%7D%5C%5C%5C%5Cx%5E2%20%3D%2032%5C%5C%5C%5Cx%20%3D%20%5Csqrt%7B32%7D)