Yoonmin1234 Yoonmin1234
  • 17-12-2020
  • Mathematics
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PLEASE HELP! MATH! ​

PLEASE HELP MATH class=

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CAEDALPE
CAEDALPE CAEDALPE
  • 17-12-2020

t = 12r/(r+120)

t(r+120) = 120r

tr+120t = 120r

tr-120r = -120t

r(t-120) = -120t

r = -120t/(t-120)

r = 120t/(120-t)

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