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C = 5/9 (F - 32)  is the equation for finding the Celcius temperature when the Fahrenheit temperature is known. What would solving the equation for F allow you to do?

 

Find the Fahrenheit temperature when the Celsius temperature is known.

 

Use the new equation to find temperature on a Kelvin scale.

 

Find the Celsius temperature when the Fahrenheit temperature is known.

 

You cannot solve the equation for F because it has a fraction in it.

 Aug 29, 2020
 #1
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40ºC = 40*1.8 + 32 = 104ºF

 

86ºF = (86 - 32) / 1.8 = 30ºC

 Aug 29, 2020
 #2
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"You cannot solve the equation for F because it has a fraction in it." ???!!!!

 

F = 32 + 9*C/5   put Celsius in on the right hand side and get Fahrenheit out on the left hand side.

 Aug 29, 2020
 #3
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C = 5/9 (F - 32)  is the equation for finding the Celcius temperature when the Fahrenheit temperature is known. What would solving the equation for F allow you to do?

 

The true answer is the first one:  Find the Fahrenheit temperature when the Celsius temperature is known. 

 

This problem follows the standard structure for a multiple choice question, namely 

• one answer is correct                  –  the first one 

• one answer is almost correct      –  the third one 

• one answer is wrong                  –  the second one 

• one answer is ridiculous            –  the fourth one 

.

 Aug 29, 2020

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