ladiva1530 ladiva1530
  • 20-03-2020
  • Mathematics
contestada

Ralph says he can rewrite (4+5)+21 as 9+21. Do you agree ?why or why not?​

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orignalavaone
orignalavaone orignalavaone
  • 20-03-2020
I agree because parentheses always go first and 4+5 equals 9 so in conclusion ralph is correct and the answer would be 30
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Аноним Аноним
  • 20-03-2020

I agree because 4+5 is the same as 9 but without parentheses.

Hope this helps! Stay Safe!

:))

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