anonymous
  • anonymous
myininaya? The slope of a railway is expressed as a percent and is called the grade of the road. At the Royal Gorge, in Colorado, an inclined railway takes visitors down to the arkansas river. If the grade is 175% and the vertical drop of the railway is 1015 feet, what is the horizontal change of the railway?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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myininaya
  • myininaya
ok so slope is rise/run \[1.75=\frac{rise}{run}=\frac{1015}{run}\]
myininaya
  • myininaya
We need to solve \[1.75=\frac{1015}{run}\] for run
myininaya
  • myininaya
run is the horizontal change

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anonymous
  • anonymous
okay and then?
anonymous
  • anonymous
is that all??
myininaya
  • myininaya
\[1.75 run=1015\]
myininaya
  • myininaya
yes just divide both sides by 1.75
anonymous
  • anonymous
and that's the answer??
myininaya
  • myininaya
whatever 1015/1.75 is yes
anonymous
  • anonymous
105?
anonymous
  • anonymous
that is the horizontal change?
myininaya
  • myininaya
yes
myininaya
  • myininaya
i get 580
myininaya
  • myininaya
1015/1.75 is what i did
anonymous
  • anonymous
ohh careless mistake. Thank you!~

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