Add rm and ms together to get rs
rs = 3x + 1 + 4x - 2
rs = 7x - 1
rs = 7x - 1 is your answer
hope this helps
Answer:
the average speed of the whole journey is 45 km/h
Step-by-step explanation:
The computation of the average speed of the whole journey is shown below:
Average speed is
= (Speed 1 + speed 2) ÷ 2
= (60 km/h + 30 km/h) ÷ 2
= 90 km/h ÷ 2
= 45 km/h
Hence, the average speed of the whole journey is 45 km/h
We simply ignored the distance as it is not relevant for the given situation
The same would be considered
Step-by-step explanation:
I'm not sure if I got the correct answer since English is not my first language
Answer:
-2,-6,-10
Step-by-step explanation: