SOLUTION: The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line with a slope of −0.

Algebra ->  College  -> Linear Algebra -> SOLUTION: The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line with a slope of −0.      Log On


   

Question 1120652: The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line with a slope of −0.6
Suppose that the height of the candle after 16 hours is 19.4 centimeters. What was the height of the candle after 7 hours
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
y-19.4=-0.6%28x-16%29
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After 7 hours
y=-0.6x%2B0.6%2A16%2B19.4
y=-0.6%2A7%2B0.6%2A16%2B19.4
y=24.8