Here’s also s tip next tip if you google rounding calculator it will round it for you but the answer is 1
Answer:
I think he made a mistake in the first one
Step-by-step explanation:
Its a. becuase there are an equal
I'm not sure if an equation is needed. Since you put the marble back into the bag the odds are still 50/50 that you will draw either color.
If you would have left it out then it would be dependent because the ratio would change.
Multiply (h+3t= -10) to get 2h+6t=-20.
(<span>2h+6t=-20</span>) - (2h+t=-8) to get 5t=-28
therefore t=-5.6
put t into any equation. i.e (2h-t=-8) = 2h+5.6=-8
therefore 2h = -13.6
h=-6.8