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Another example Jamie and Terry have thermometers that have marks on them, but they are not sure about the temperature scales. They both put their thermometers into ice water. Jamie reads a temp of 10 deg and Terry reads 20 deg. They put their thermometers into boiling water. Jamie reads 50 deg and Terry reads 80 deg. If Jamie puts her thermometer into a cup of warm coffee and it reads 29 deg, what temperature should Terry find on her thermometer?
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Step one- set up a graph
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Step two- determine the slope of the line
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Step one- set up a graph Step two- determine the slope of the line Step three- determine the value of the y- intercept, b
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Step one- set up a graph Step two- determine the slope of the line Step three- determine the value of the y intercept (b) when x=0 Step four- use the equation to answer question
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