anonymous
  • anonymous
Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5? a,commutative property of addition b,distributive property c,additive identity d,additive inverse please help me:(
Mathematics
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SOLVED
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jamiebookeater
  • jamiebookeater
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jim_thompson5910
  • jim_thompson5910
Hint: 27 + 15 + 3 + 5 may be easier to do in your head if you swap 15 and 3 to get 27 + 3 + 15 + 5
precal
  • precal
commutative propery commutative property of addition a+b=b+a commutative property of multiplication ab=ba
precal
  • precal
using words commutative property allows you to add numbers in any order a+b=b+a or 12+3=3+12 for the second case it allows you to multiply numbers in any order ab=ba 2*5=5*2

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precal
  • precal
jim_thompson5910 is correct
anonymous
  • anonymous
so it b???
jim_thompson5910
  • jim_thompson5910
re-read what precal wrote
anonymous
  • anonymous
ow its c
jim_thompson5910
  • jim_thompson5910
you sure?
anonymous
  • anonymous
no not really:(
jim_thompson5910
  • jim_thompson5910
which property did precal mention?
anonymous
  • anonymous
comunitive
jim_thompson5910
  • jim_thompson5910
that's your answer

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