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Joe leaves an intersection traveling west in his car. He is 20 feet from the intersection...

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Basic Math

Joe leaves an intersection traveling west in his car. He is 20feet from the intersection 4 seconds later. At the same time,Joshua leaves the intersection heading north in his car so that hisposition 4 seconds later is 26 feet from the intersection. If, atthat instant time, Joe's speed is 8 feet per second and Joshuas'speed is 12 feet per second, find the rate at which the distancebetween the two cars is changing to the nearest tenth.

Answer & Explanation Solved by verified expert
4.0 Ratings (473 Votes)
Let the Distance travelled by Joe be x feet and the distancetravelled by Joshua be y feet and let the distance between the twocars is r and then the rate of change    See Answer
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