Graphs

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  • Created by: mary_def
  • Created on: 10-05-16 16:37

conversion graphs

We use conversion graphs to change from one unit to the other. Conversion graphs always are straight lines.

(http://www.cimt.plymouth.ac.uk/projects/mepres/book7/bk7i3/aq3cg.gif)

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Formulas

A rule written out in algebra is a formula.

REMEMBER THAT...

you don't write:

t= 3 x m

it is correct for a formula to be written like this:

t=3m

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Time

am stands for ante meridian (before noon)

pm stands for post meridian (after noon)

Timetables buses and trains usually use the 24 hour clock.

(http://www.learner.org/jnorth/images/graphics/mclass/24hrclock.jpg)

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time n2

Midday 12:00

Midnight is 00:00

You can enter times in your calculator by using the DMS or ° ' "  keys.

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Travel graphs

Time is shown along the horizontal axis. Distance is always shown on the vertical axis.

(http://www.sciencecourseware.org/eec/earthquake/TravelTimeCurve/tt.jpg)

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