jackchris2732
30.06.2021 •
Mathematics
Jamie and Erika were in a race. Jamie could run 15 meters per second. Erika could only run 10 meters per second. So Jamie decided to give Erika a head start of 5 meters. After how many seconds will the two girls meet?
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Ответ:
1 s
Step-by-step explanation:
Given
Jamie speed is 15 m/s
Erika speed is 10 m/s
Erika has a 5 m head start
For Jamie to catch Erika, Jamie must travel 5 m + the distance traveled by Erika in the same time t
After 1 s, Jamie and erika meet at the same point.
Ответ:
the last one
Step-by-step explanation:
since x > 2 the line goes in the right direction and is an open dot