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Mathematics 9 Online
OpenStudy (anonymous):

Women's record in the women's 1500-m run. The Formula R=0,0026? + 4.0807 can be used to predict the world record in minutes, for the 1500-m run t years after. Determine (in terms of an inequality) those years for which the world record will be less than 3.8 min.

OpenStudy (anonymous):

I don't understand why there's a question mark there?

OpenStudy (anonymous):

I'm guessing they want to see what variable will I be using

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