Posted by Adam on Saturday, February 5, 2011 at 6:02am.
Calculate how much height it loses per hour. Call it m.
m = (18.6 - 12.2)/16 = ___ cm/h
Then solve
(candle height) y = 12.2
= 18.6 - m(t - 11)
using t = 15
It's called interpolation.
thanks for the help
Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. After 10 hours of burning, a candle has a height of 24 centimeters. After 27 hours of burning, its height is 20.6 centimeters. What is the height of the candle after 21 hours?
i don't know the answer at all tall my now
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