# math

Is this the correct answer yes or no
C= (F-32)*5/9=8.3, or (47-32)x5*9= 8.3

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1. (C,F)
(0,32)
(100, 212)

F = m C + b
m = (212 -32)/100 = 180/100 = 9/5
so
F = (9/5) C + b
32 = (9/5)(0) + b
b =32
so
F = (9/5) C + 32
or
F-32 = (9/5)C
C = (5/9)(F-32) checks with you

If C = 8.3 deg C
then
F = (9/5)(8.3) + 32
F = 47 deg F

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posted by Damon

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