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madisella021
27.10.2020 •
Mathematics
What are the domain and range of the relation given in the table? x y −12 0 −8 12 0 0 1 8
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Ответ:
domain: {−12,−8,0,1}
range: {0,8,12}
Ответ:
7.6 m/s faster
Step-by-step explanation:
Speed of swimmer = 1.8 meters per second
The distance covered by runner = 200
Time of runner = 21.3 sec
We have to find the speed of the runner first so that we can compare with the speed of swimmer.
Speed = Distance/Time
=> 200/21.3
=> 9.4 m/s
So we have to find the difference between both speeds
Difference = 9.4 - 1.8
=> 7.6 m/s
So the runner was 7.6 m/s faster..