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 60 ft from you?

Your friend is 60 ft away from you at 7 seconds and 13 seconds.

Explanation

The distance of your friend from you in feet after seconds is given by.....

When the distance of your friend is 60 ft from you, then . So....

While solving an absolute equation, we will take two cases - one for positive and another for negative. So....

and

Thus, your friend is 60 ft away from you at 7 seconds and 13 seconds.

answer: idk

step-by-step explanation:

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

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