My guess is 3/10......because 24/60 is simplified to 3/10
I think
A. convert the time to seconds, so all the time are 7070sec and the total course to meter.
so 31300meter
Vector = TotalCourse÷total time
V=31300/7070=4.427157m/s
convert it to km/h so 4.427157×36÷10=
15.9377km/h
B. 45÷15.9377=2.823Hour
it means that around 2 Hour 48Minutes more.
i think the teacher need to simplify it
Answer: 21
Step-by-step explanation:
4 • 3 = 12
3•3=9
12+9= 21
Answer:
Step-by-step explanation:
4x^2 - 5x + 3 + 2x - 7
4x^2 - 3x - 4