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The formula $F = \frac{9}{5} C + 32$ can be used to convert temperatures between degrees Fahrenheit ($F$) and degrees Celsius ($C$). What Celsius temperature $C$ has the same value when converted to a Fahrenheit temperature $F$?

 Jul 24, 2019

Best Answer 

 #2
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F = 9/5 C + 32     SInce we want F = C   sub this in

F = 9/5 F + 32

- 4/5 F = 32

F = -5/4 (32) = -5/4*32 = -40

 Jul 24, 2019
 #1
avatar+19787 
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A lot of people just happen to know this:   -40 C = -40 F

 Jul 24, 2019
 #2
avatar+19787 
0
Best Answer

F = 9/5 C + 32     SInce we want F = C   sub this in

F = 9/5 F + 32

- 4/5 F = 32

F = -5/4 (32) = -5/4*32 = -40

ElectricPavlov Jul 24, 2019

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