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+5
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please calculate - [(+11.1)2 + (-6.1)2 + (-5.25) 2] ½

Guest Feb 26, 2017
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 #1
avatar+75298 
+5

- [(+11.1)2 + (-6.1)2 + (-5.25) 2] ½  =

 

- [ 11.1 - 6.1 - 5.25 ]   =

 

- 11.1 + 6.1 + 5.25  =  .25   =  1/4

 

 

Unless this is supposed to be ;

 

- [ (11.1)^2 + (-6.1)^2 + (-5.25)^2] ^(1/2)  ≈ -13.7107

 

 

cool cool cool

CPhill  Feb 26, 2017

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