Answer:
The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.
Step-by-step explanation:
Physically speaking, average speed (
), measured in miles per hour, is the distance travelled (
), measured in miles, divided by time (
), measured in hours. That is:
(1)
The time needed by the vehicle is:


If we know that
and
, then the average velocity of the car is:


The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.
Answer:
false
Step-by-step explanation:
96,240
a-9
2,3
8,9
Answer:
4or 4/1
Step-by-step explanation:
Solve your inequality step-by-step.
7(x+4)>0
Simplify both sides of the inequality.
7x+28>0
Subtract 28 from both sides
.
7x+28−28>0−28
7x>−28
Divide both sides by 7.
7x/7 > −28/7
x > −4