Asked by Anon
Fahrenheit and Celsius are two measures of temperature. The temperature in degrees Celsius is equal to five ninths of 32 less than the temperature in degrees Fahrenheit. What is a function rule that represents this situation?
Answers
Answered by
Reiny
Draw a vertical line, calling the left side F for Fahrenheit, and the right side C for Celsius
Consider the top of the line to be the boiling point of water and the bottom the freezing point of water
On the C side, mark the top 100 and the bottom 0, (very logical)
On the F side, mark the top 212 and the bottom 32, (totally illogical)
pick any arbitrary point on the line, calling the left F and the right side C
Now create a proportion and solve it
(F - 32))/(212 - 32) = C/100
(F-32)/180 = C/100
100F - 3200 = 180C
100F = 180C + 3200
F = (180/100)C + 32
F = (9/5)C + 32
or after rearranging:
C = (5/9)(F - 32)
Consider the top of the line to be the boiling point of water and the bottom the freezing point of water
On the C side, mark the top 100 and the bottom 0, (very logical)
On the F side, mark the top 212 and the bottom 32, (totally illogical)
pick any arbitrary point on the line, calling the left F and the right side C
Now create a proportion and solve it
(F - 32))/(212 - 32) = C/100
(F-32)/180 = C/100
100F - 3200 = 180C
100F = 180C + 3200
F = (180/100)C + 32
F = (9/5)C + 32
or after rearranging:
C = (5/9)(F - 32)
Answered by
Labron
What temperature is 12 degree less than 4 degree
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