The length L (in centimetre) of a copper...

The length L (in centimetre) of a copper rod is a linear function of its Celsius temperature C. In an experiment, if `L = 124. 942`when `C = 20`and `L= 125. 134`when `C = 110`, express L in terms of C.

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The correct Answer is:

`L=0.213C+101.704`

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