A circular running track is 1/4 mile long. Brie runs on this track, completing each lap in 1/20 of an hour. What is Brie's runni
ng speed? Include the unit of measure.
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5 hours per lap
4 miles per hour
5 miles per hour
1/5 lap per hour
2 answers:
Answer:
number 3
Step-by-step explanation:
Answer:5 miles per hour
Step-by-step explanation: The speed is defined as the covered distance per unit time
In the problem, we have:
The distance covered is the length (circumference) of the circular track which is given as of a mile.
We are also given that she completes each lap (she completes of a mile) in of an hour
To get her speed, we will divide the distance covered by the time taken to cover this distance
This is done as follows:
speed = miles/hour
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Answer:
3
Step-by-step explanation:
Range is finding the difference between the biggest number(3) and the smallest number(0). 3-0=3
Answer:
53 times per second
Step-by-step explanation:
There are 60 seconds in 1 minute, so divide the 3180 flaps per minute into 60 equal parts.
3180 / 60 = 53
Answer: an arithmetic sequence
Step-by-step explanation:
Circumference = 2 x radius x Pi
Circumference = 2 x 0.8 x pi
Circumference = 1.6pi or 5.024 yards
area = r^2 x pi
Area = 0.8^2 x pi
Area = 0.64pi or 2.0096 square yards
I honestly don’t know I am just doing this because I need to ask a question hope I helped
