
a)
To write: 212 degree Fahrenheit in degree Celsius.
a)

Answer to Problem 12STP
212 degree Fahrenheit is equal to 100 degree Celsius.
Explanation of Solution
Given information : The equation
Concept used:Put
Calculation: Plug in
Conclusion: Thus, 212 degree Fahrenheit is equal to 100 degree Celsius.
b)
To write: 0 degree Celsius into degree Fahrenheit.
b)

Answer to Problem 12STP
0 degree Celsius is equal to 32 degree Fahrenheit.
Explanation of Solution
Given information : The equation
Concept used: Put
Calculation: Plug in
Multiply each side by 9 and then on dividing each side by 5,
Or
Conclusion: Thus, 0 degree Celsius is equal to 32 degree Fahrenheit.
c)
To solve: Given formula, C= 5/9(F-32) for variable F .
c)

Answer to Problem 12STP
On solving given equation for variable F ,
Explanation of Solution
Given information: The equation C= 5/9 (F-32), that interrelates degree Celsius ( C ) and degree Fahrenheit ( F ).
Concept used: For part (a), put F=212 in given equation and solve for C . For part (b), put C=0 and solve the given equation for F and part (c), solve the given equation for variable F by doing just opposite operations of each number, associated with it, both sides of the equation.
Calculation: Multiplying each side of given equation
Add 32 each side,
that is a solved equation for variable F .
Conclusion: So, given equation for variable F is solved as:
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