Answer: A) 2.5 km/ hour
You divide 10/4 and get 2.5, so 2.5km an hour.
B) 6.25 km/ hour
You have 2.5km/ hour plus 10km/ hour OVER 2. This would equal 12.5 km over 2
You then get 6.25 from doing 12.5/2
Answer:
ok
Step-by-step explanation:
Answer:
Subtract 4 from 17, then divide by 3.
Step-by-step explanation:
hope this helps =)
Answer:
The last one.
Step-by-step explanation:
By V i think you mean square root.
2x+2x+60=180 because the angles have to add up to 180
So you have
4x+60=180
4x=120
x=30