estimate the difference of active cases on april 2 and may 2.
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estimate the difference of active cases on april 2 and may 2.
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Answer:
Global Positioning System (GPS)
device shows that car A travelling at a
speed of 60 kph is located at a point
whose coordinates are (100, 90). Behind
A is car B, travelling in the same
direction at a speed of 80 kph, that is
located at a point whose coordinates are
(20, 30).
a. What is the distance between the
two cars?
Car B
b. After how many hours will the two
cars be at the same point?