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1-74. Read this lesson's Math Notes box about scaling axes. Then, on your paper, copy the incomplete
axes below and write the missing numbers on each one.

174 Read this lessons Math Notes box about scaling axes Then on your paper copy the incomplete axes below and write the missing numbers on each one class=

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The missing values in the scales given are :

  • 20; 40; 80
  • 15; 30; 45, 75
  • 25; 50; 75; 125
  • 50; 150; 200; 250

Each successive unit on a graph represent a specific value :

  • For the graph in (a)

The time in seconds represented by each unit:

  • Between 0 to 60 seconds ;
  • Number of units = 3
  • Number of seconds per unit = 60 / 3 = 20 seconds
  • Each unit represents 20 seconds
  • The missing units are : 20; 40; 80

For the graph in (b)

The time in seconds represented by each unit:

  • Between 0 to 60 seconds ;
  • Number of units = 4
  • Number of seconds per unit = 60/4= 15 seconds
  • Each unit represents 15 seconds
  • The missing units are : 15; 30; 45, 75

For the graph in (c)

The time in seconds represented by each unit:

  • Between 0 to 100 seconds ;
  • Number of units = 4
  • Number of seconds per unit = 100/4= 25 seconds
  • Each unit represents 25 seconds
  • The missing units are : 25; 50; 75; 125

For the graph in (b)

  • The time in seconds represented by each unit:
  • Between 0 to 100 seconds ;
  • Number of units = 2
  • Number of seconds per unit = 100/2 = 50 seconds
  • Each unit represents 50 seconds
  • The missing units are : 50; 150; 200; 250

Hence, the procedure for calculating units values of a graph.

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