SOLUTION: The number of feet it takes for a car traveling at x miles per hour to stop on dry, level concrete is given by the polynomial 0.007*x^(2)+0.5*x. Find the stopping distance when x=2

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: The number of feet it takes for a car traveling at x miles per hour to stop on dry, level concrete is given by the polynomial 0.007*x^(2)+0.5*x. Find the stopping distance when x=2      Log On


   

Question 1204276: The number of feet it takes for a car traveling at x miles per hour to stop on dry, level concrete is given by the polynomial 0.007*x^(2)+0.5*x. Find the stopping distance when x=20 mph.
The stopping distance at x=20 mph is feet.
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

Substitute x= 20 into the given formula and calculate.


Use your calculator.

You do not need any help from outside, except this my instruction.

Happy calculations (!)