Answer:
( -1 , 0.5)
Step-by-step explanation:
Answer:
A. 36
Step-by-step explanation:
Answer:
<u>63 km</u>
Step-by-step explanation:
<u>Given</u> :
- Speed = 315 km/h
- Time = 12 minutes
<u>Solving</u> :
<u>Convert minutes into hours so that the units are </u><u>equal</u><u>, otherwise your answer will not be correct.</u>
- There are 60 minutes in an hour
- Therefore, 12 minutes is equal to :
- 12/60 hours
- 1/5 hours
- 0.2 hours
<u>Calculating distance</u>
- Distance = Speed x Time
- Distance = 315 km/h x 0.2 h
- Distance = <u>63 km</u>
Answer:
20. is B (second one)
21. is A (first one)
Step-by-step explanation:
