anonymous
  • anonymous
If a 30-foot silo casts a 20-foot shadow, what is the approximate measure from the tip of the shadow to the top of the silo? 1,300 feet 36 feet 650 feet 13 feet
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1435766284274:dw|
anonymous
  • anonymous
pythagorean theorem
anonymous
  • anonymous
:( i fail at this :p

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anonymous
  • anonymous
the square of the 2 legs will equal the longest side we have the 2 legs and we're trying to find the hypotenuse, x
anonymous
  • anonymous
oh yeah my bad
anonymous
  • anonymous
so \(30^2+20^2=x^2\)
anonymous
  • anonymous
1300
anonymous
  • anonymous
<3 thanx
anonymous
  • anonymous
not yet bby
anonymous
  • anonymous
\(30^2+20^2=x^2\\900+400=x^2\\1300=x^2\\x=\sqrt{1300}\)
anonymous
  • anonymous
you solved for x^2 but we need x
anonymous
  • anonymous
so divide by 2 or by itself
anonymous
  • anonymous
take the square root square roots and squaring are inverse operations. one undoes the other
anonymous
  • anonymous
so just plug in \(\sqrt{1300}\) into a calculator
anonymous
  • anonymous
so technically 36
anonymous
  • anonymous
indeed
anonymous
  • anonymous
:) your the best <3
anonymous
  • anonymous
you're* :p
anonymous
  • anonymous

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