
Concept explainers
(a)
The Celsius temperature correspond to Fahrenheit temperatures of
(a)

Answer to Problem 48WE
In Celsius, C=1000 and C=370 respectively.
Explanation of Solution
Given information:
The Ruler Postulate suggests that there are many ways to assign coordinates to a line. The Fahrenheit and Celsius temperature scales on a thermometer indicate two such ways of assigning coordinates. A Fahrenheit temperature of 32° corresponds to a Celsius temperature of 0°.
Formula used:
Calculation:
The Ruler Postulate suggests there are many ways to assign coordinates to a line. The Fahrenheit and Celsius scale on the thermometer indicate two such ways of assigning coordinates.
A Fahrenheit temperature of 32°corresponds to Celsius temperature or 0°. The formula for converting a Fahrenheit temperature F into Celsius temperature C is;
Substitute value of
Substitute value of
Hence, answer to a. in Celsius is C=1000 and C=370 respectively
Conclusion:
In Celsius, C=1000 and C=370 respectively.
(b)
the equation above for F to obtain a rule for converting Celsius temperatures to Fahrenheit temperatures.
(b)

Answer to Problem 48WE
Explanation of Solution
Given information:
The Ruler Postulate suggests that there are many ways to assign coordinates to a line. The Fahrenheit and Celsius temperature scales on a thermometer indicate two such ways of assigning coordinates. A Fahrenheit temperature of 32° corresponds to a Celsius temperature of 0°.
Formula used:
The formula or rule, for converting a Fahrenheit temperature F into a Celsius temperature C is
Calculation:
From the equation
Solve it further
Hence, the value of the above expression is
Conclusion:
The value of the above expression is
(c)
The Fahrenheit temperatures corresponds to Celsius temperatures of
(c)

Answer to Problem 48WE
In Fahrenheit, F = -40° and F = 3632° respectively.
Explanation of Solution
Given information:
The Ruler Postulate suggests that there are many ways to assign coordinates to a line. The Fahrenheit and Celsius temperature scales on a thermometer indicate two such ways of assigning coordinates. A Fahrenheit temperature of 32° corresponds to a Celsius temperature of 0°.
Formula used:
The formula or rule, for converting a Fahrenheit temperature F into a Celsius temperature C is
Calculation:
From part b
Substitute value of
Substitute value of
Hence, the answer to c. in Fahrenheit is F = -40° and F = 3632° respectively.
Conclusion:
In Fahrenheit, F = -40° and F = 3632° respectively.
Chapter 1 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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