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Mathematics, 20.09.2020 04:01 struckedblazing

Starting from 200 ft away, your friend skates toward you and then passes you. She skates at a constant speed of 20 ft/s. Her distance d from you in feet after t seconds is given by d=|200-20t|. At what times is she 20 ft from you?

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Starting from 200 ft away, your friend skates toward you and then passes you. She skates at a consta...
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