gannaaelgoharyp6mwey gannaaelgoharyp6mwey
  • 04-04-2018
  • Mathematics
contestada

Need help ASAP for 19 and 20 math

Need help ASAP for 19 and 20 math class=

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IanJackson IanJackson
  • 04-04-2018
A-True
B-True
C-False
D-True
E-True
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aylanator
aylanator aylanator
  • 04-04-2018
A is true B is sometimes true-4-5 C is sometimes true- -4-5 D is true E is i think is always true -I dont completly understand E. 20) A- because of opposite sign. For example if you are doinf 5-4 you can do 5+(-4) so if (-2)-(+3) then the opposite would be (-2) + (-3) is the same thing. B- Yes because 5-4=1 and 5+(-4) =1 also

Hope this helps
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