jayda2 jayda2
  • 25-09-2015
  • Mathematics
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what does a variable allow you to do that you couldn't do before

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Аноним Аноним
  • 25-09-2015
A variable can allow you to  guess and test.  If you had a definite answer, there would be no need to guess and test.  However, you could still use a formula to figure the answer.
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