SOLUTION: At a temperature of t degree Fahrenheit, sound travels S feet per second, where S=21.9sqrt(5t+2457). During blasting for avalanche control in the mountains, sound traveled at a rat

Algebra ->  Radicals -> SOLUTION: At a temperature of t degree Fahrenheit, sound travels S feet per second, where S=21.9sqrt(5t+2457). During blasting for avalanche control in the mountains, sound traveled at a rat      Log On


   

Question 1055321: At a temperature of t degree Fahrenheit, sound travels S feet per second, where S=21.9sqrt(5t+2457). During blasting for avalanche control in the mountains, sound traveled at a rate of 1110 ft/sec. what is the temperature
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1110=21.9sqrt%285T%2B2457%29
sqrt%285T%2B2457%29=1110%2F21.9
5T%2B2457=%281110%2F21.9%29%5E2
5T=%281110%2F21.9%29%5E2-2457
T=%28%281110%2F21.9%29%5E2-2457%29%2F5
Use a calculator to get the final answer.