Lucylocket64 Lucylocket64

03-12-2015
Mathematics

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Use the formula f=1.8c+32 to convert -20 degrees into fahrenheit

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madysinruth madysinruth

03-12-2015

It is -4!
1.8*-20=-36
32-36=-4

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f(c)= 9/5c+ 32 I just don't understand how to find the inverse of the function