Answer: look at the picture
Step-by-step explanation: Hope this help :D
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:
39.60
Step-by-step explanation:
9.90 x 4 = 39.60
First add 5 to 16, so -3x=21
then divide by -3, so the answer is
x= -7