Answer:
x=3
Explanation:
First what you do is move x to one side and the rest of the numbers to another while changing the sign from + to - or - to + like this
6x+4x= 1+-21+50
Then you do the equation on 1 side
6x+4x=30
And then the other but add them like x is not there
10x=30
Your final result should be
X=3
You literally need to apply the formula
where 
is the mass and 
is the speed
Answer:
18/5 or 3.6
Step-by-step explanation:
3.6=36/10=18/5
Answer:
True
Step-by-step explanation:
ed 2020. I went back to check the answer so 100% right.
