marieblossom16
marieblossom16 marieblossom16
  • 19-10-2015
  • Mathematics
contestada

number 8 please :)) explain

number 8 please explain class=

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ayah1
ayah1 ayah1
  • 19-10-2015
[tex] \frac{8}{4} *(-4)-9*(-9)[/tex]

[tex] \frac{8}{4} * \frac{-4}{1}-9*(-9)[/tex]

[tex] \frac{8*-4}{4*1}-9*(-9)[/tex]

[tex] \frac{-32}{4}-9*(-9)[/tex]

[tex]-8-9*(-9)[/tex]

[tex]-8+81[/tex]

[tex]73[/tex]

The answer is B) 73

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