Police departments estimate the speed of a car when they are given the distance that it skidded before coming to a stop. if the road surface is wet concrete, the function s(x)=√10.5x is used, where x is the skidded distance in feet and s(x) is the speed of the car in miles per hour. (a)Find the speed of the car that skidded 280 feet. Round the answer to the tenth's place and use correct units in your answer.(b)If a car is traveling at a speed of 80 miles per hour,how far will it skid on wet concrete?Round the answer to the one's place and use correct units in your answer. There are 2 parts for this answer a and b. Please help!!!!! :(

1 answer

just plug in your numbers, as in the book problem. What do you get?
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