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witch expression represents the difference between 31 degrees and -12 degrees

Guest Apr 13, 2017
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3+0 Answers

 #1
avatar+79741 
+1

31  - (-12)    =

 

31 + 12   =

 

43

 

 

cool cool cool

CPhill  Apr 13, 2017
 #2
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I am doing homework the choices are

-|31+12|

|-12-31|

-|31|+|-12|

|31-12|

Guest Apr 13, 2017
 #3
avatar+79741 
+2

l -12 - 31  l    =   l  -43 l   = 43    is correct

 

 

 

cool cool cool

CPhill  Apr 13, 2017

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