Time remaining:
estimate high, low, correct? explain

Mathematics
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square 15 is 3+4 over 2 =3.5. square 15 must be between 3 and 4 and  since 3 squared=9 and 4 squared =16

Sep 19th, 2014

32 =9

42=16

3.52=12.25

3.752=14.0625

3.8752=15.01

3.875 is a good approximation for sq root of 15

Sep 19th, 2014

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Sep 19th, 2014
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Sep 19th, 2014
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