Answer:

Step-by-step explanation:

Answer: 23.2 miles per hour
Step-by-step explanation:
He ran 100 meters in 9.63 seconds.
First convert the number of meters he ran to miles:
= 100 * 3.28
= 328 feet
= 328/5,280
= 0.062121212 miles
Convert the seconds to hours:
= 9.63 / 60
= 0.1605 minutes
= 0.1605/60
= 0.002675 hours
Speed in miles per hour is:
= 0.062121212 / 0.002675
= 23.22
= 23.2 miles per hour
Answer:
It would take him 2 hour
Step-by-step explanation:
11 divided by 3 is 3.66666666667
9 divided by 3.7 is 2.4
Answer:
Step-by-step explanation:
f(x)=g(x)
x²-13x+40=x-5
x²-14x+45=0