Seudónimo Seudónimo
  • 03-03-2017
  • Mathematics
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I need help.like now please help me !!!!!!!!!

I need helplike now please help me class=

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Shadowlearner21
Shadowlearner21 Shadowlearner21
  • 03-03-2017
Use proportions for all of them, for #1 use the proportion 12/30 = 9/a based on corresponding sides and then cross multiply. a=22.5 For #2 use the proportion y/35 = 64/40 based on corresponding sides and then cross multiply, y=56 For #3 use the proportion 42/? = 54/36 and then cross multiply, ?=28
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