Copyright © Cengage Learning. All rights reserved. Functions 3 The Metric System.

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Copyright © Cengage Learning. All rights reserved. Functions 3 The Metric System

Copyright © Cengage Learning. All rights reserved. Temperature 3.6

3 Temperature The basic SI unit for temperature is kelvin (K), which is used mostly in scientific and engineering work. Everyday temperatures are measured in degrees Celsius (  C). The United States also measures temperatures in degrees Fahrenheit (  F). On the Celsius scale, water freezes at 0  and boils at 100 . Each degree Celsius is 1/100 of the difference between the boiling temperature and the freezing temperature of water.

4 Temperature Figure 3.14 shows some approximate temperature readings in degrees Celsius and Fahrenheit and compares them with a related activity. Figure 3.14 Related temperature readings in degrees Celsius and degrees Fahrenheit

5 Temperature The formulas for changing between degrees Celsius and degrees Fahrenheit are:

6 Example 1 Change 68  F to degrees Celsius. Thus, First subtract within parentheses. Multiply.

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