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A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is 15 in. tall. Write a linear equation to model the relationship between height h of the candle and time t. Predict how tall the candle will be after burning 8 hours.
 one year ago
 one year ago
A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is 15 in. tall. Write a linear equation to model the relationship between height h of the candle and time t. Predict how tall the candle will be after burning 8 hours.
 one year ago
 one year ago

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estudierBest ResponseYou've already chosen the best response.0
(3,17) and (5,15) Calculate a line equation in the usual way (x is t, y is h) Then put t (x) is 8 to find h(y)
 one year ago

whadduptoriBest ResponseYou've already chosen the best response.0
would you do y2y1/x2x1
 one year ago

estudierBest ResponseYou've already chosen the best response.0
Sure, to get the slope, then use one of the points to get c
 one year ago

whadduptoriBest ResponseYou've already chosen the best response.0
i got a 1 what do i after that?
 one year ago

estudierBest ResponseYou've already chosen the best response.0
then use one of the points to get c
 one year ago

whadduptoriBest ResponseYou've already chosen the best response.0
wait how do i do that?
 one year ago

estudierBest ResponseYou've already chosen the best response.0
y = mx +c You just got m, now sub one of the x,y pairs in to get c
 one year ago
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