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Algebra_2

Chapter 49

Problem 3

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2.54 cm = 1 in and 100 cm = 1 m and 12 in = 1 ft and 1000 m = 1 km

A country lane was measured to be feet long.
Note: E+6 is the same as 1,000,000
This is km long.



Example:
Suppose Given a length L = 42 ft.
You are asked to find the length in m.
The solution requires the three conversions 12 in/1 ft, 2.54 cm/1 in, and 1 m/100 cm
This can be written as click refresh (F5)
Try this solution by entering 42(12)(2.54)/100 into the Function = box of the Graphing Calculator.
Then click on the Enter your Function button and then the Plot Graph button.
The answer is displayed to the right of f(x) = as 12.8... .

Graphing Calculator