If the track is 10km long, and X travels at 40 km/h, it will take 1 hour to do 4 laps. this means that car X will do one lap in 15 minutes. Y travels at 30 km/h, which means it will do 3 laps in 1 hour, meaning that car X will do 1 lap in 20 minutes.
X- 15, 30, 45, 60
Y-20, 40, 60
Therefore, after an hour, they will pass again.
Answer:
B. substitute for X in first equation
Answer:
no
Step-by-step explanation:
You will have more time to do it, but no, try extra credit
Sorry mate hope this helps<3
Answer:
5 and 12
Step-by-step explanation:
The mode of a data set is the entry which occurs most often
Given
5, 10, 12, 4, 6, 11, 12, 5
5 and 12 both occur twice, thus there are 2 modes 5 and 12
Step-by-step explanation:
3x+12=45
3x=45-12
3x=33
3x/3=33/3
x=11
