Answer:
use khan academy
Step-by-step explanation:
Answer:
oh sorry i dont know that im grade six sorry
Answer:
firt thing i would do is take out things that are alike but if these are the options then i would a) multiply the first equation by -1
I don't know I don't know I don't know I don't know I don't know I don't know I don't know
Answer: 8
Step-by-step explanation:
We can use trigonometry to solve this:
If we call the angle at the top Ф then x is the opposite and 8 is the adjacent
Therefore we use Tan to solve this:
Tan Ф = opposite/adjacent
Tan 45 = X/8
1 = X/8
8 x 1 = X
Therefore X = 8
