Answer:
Average speed of Aouita = 6.68 meter per second.
Step-by-step explanation:
To create a world record Aouita ran a distance = 3000 m
He took the time to cover this distance = 7 minutes 29.45 seconds
= (7×60) + 29.45 seconds
= 449.45 seconds
Since, formula for the average speed is given by,
Average speed = 
Therefor, average speed of Aouita = 
= 6.675
≈ 6.68 meter per second
Average speed of Aouita was 6.68 meter per second.
Answer:
Width = 18 inches
Perimeter = 99 inches
Area = 567 square inches
Step-by-step explanation:
The sides of a rectangle are in the ratio 4:7. Then
Width
in
Length
in.
If its longer side is 31.5 in, then
Length = 31.5 in
and

So,
Width 
The perimeter is

The area is

Answer:54
Step-by-step explanation:
Reflection acrossed the y axis
$57.75 because 14 divided by .25 is 56 and then plus the first mile is 57.75