SOLUTION: Use r=2√(5d). A car's rate (r) is 55mi/h. How far (d) will it skid?

Algebra ->  Radicals -> SOLUTION: Use r=2√(5d). A car's rate (r) is 55mi/h. How far (d) will it skid?      Log On


   

Question 423614: Use r=2√(5d).
A car's rate (r) is 55mi/h. How far (d) will it skid?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Use r=2√(5d).
A car's rate (r) is 55mi/h. How far (d) will it skid?
--------
55 = 2*sqrt(5d)
sqrt(5d) = (55/2)
---
5d = (55/2)^2
---
d = (11*55)/4
---
d = 151.25 ft
==========================
Cheers,
Stan H.
----------------------