Question

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 11 hours of burning, a candle has a height of 18.6 centimeters. After 27 hours of burning, its height is 12.2 centimeters. What is the height of the candle after 15 hours?

Answer 1

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.

Answer 2

thanks for the help

Answer 3

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?

Answer 4

i don't know the answer at all tall my now