What do i do for this problem
2 answers:
Answer:
20.
Step-by-step explanation:
We have been given an expression and we are supposed to evaluate our given expression when
To evaluate our given expression, we need to substitute in our given expression.
Upon dividing 100 by 5 we will get,
Therefore, after evaluating our given expression we will get 20 as our answer.
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Given:
An athlete who makes laps in 3 mins 45 seconds on a 400m field.
To find:
The speed of the athlete in m/s.
Solution:
We know that,
Distance covered in 1 lap = 400 m
Distance covered in laps =
m
= m
= m
We know that,
1 minute = 60 seconds
3 minutes = 180 seconds
3 minutes 45 second = 180 + 45 seconds
= 225 second
The speed of the athlete is:
Therefore, the speed of the athlete is about 8.44 m/s.