IRAMATHEHIPPY IRAMATHEHIPPY
  • 25-10-2016
  • Mathematics
contestada

r-12 evaluate if r= 7

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HBR2001 HBR2001
  • 25-10-2016

r-12
substitute in r=7
so 7-12 = -5

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cookiemonstah20
cookiemonstah20 cookiemonstah20
  • 25-10-2016
the answer should be-5
Answer Link

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