SOLUTION: I m stuck at 2 Questions... Kindly answer them.... Q2.The length of a steel beam is a linear function of the temperature.When temperature is 40F a certain steel beam is 50 ft lo

Question 842225: I m stuck at 2 Questions... Kindly answer them....
Q2.The length of a steel beam is a linear function of the temperature.When temperature is 40F a certain steel beam is 50 ft long and at 95F the same beam is 50.12 feet long.What is the length of the beam at 70F? at what temperature is the beam 49.9 feet long?

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
one problem at a time
40,50
(95, 50.12)
y = 0.00218182 x+49.9127
(70, y)
y = 50.0654 ft at 70 degrees
(x, 49.9)
x = -5.82083 degrees when the beam is 49.9 ft
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