drgreen3556 drgreen3556
  • 27-08-2014
  • Mathematics
Answered

what does a variable allow you to do that you couldn't do before

Answer :

TaylorBayley
TaylorBayley TaylorBayley
  • 27-08-2014
For example x^2=25
Without x the expression wouldn't exist, it allows you to calculate unknowns for example in a physics experiment using v=u+at
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