2(x+y)=24
2x=y
Use substitution. If y=2x, than we can substitute 2x for it in the other equation, because x and y equal the same things in both equations.
So using that we get 2(x+2x)=24
SIMPLIFY
2(3x)=24
DISTRIBUTE
6x=24.
DIVIDE: x=4.
If we substitute x into the original equations we get x=4 and y=8. Those are your two numbers.
Have a nice day! :)
The correct answer is b; they are independent because the occurrence of one does not affect the occurrence of the other.
1 400 000 000 000 000 000 000 km = 1.4 * 10^21 km
Answer:
I think the answer is either c or d. but i think your answer is good
Step-by-step explanation: