joliecampbell80 joliecampbell80
  • 01-11-2017
  • Mathematics
contestada

Which equation could you use to solve for x in the proportion 4/5=9/x ?

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chi3fcomm5nd
chi3fcomm5nd chi3fcomm5nd
  • 01-11-2017

[tex] \frac{9}{x} = \frac{4}{5} [/tex]
dividing both sides by 9
[tex] \frac{1}{x} = \frac{4}{5 \times 9} [/tex]
rasing both sides to the power of -1
[tex]x = \frac{5 \times 9}{4} = \frac{45}{4} [/tex]
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