anonymous
  • anonymous
I m sitll haveing problems with this problem. Not sure how to get this answer. The grade of a road is just the slope converted into a percent. So when you find the slope, multiply by 100 to get the grade. Again we use only non-negative slopes. A road rises 12 feet over a horizontal distance of 640 feet. What is its slope? What is its grade?
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[tan \theta = 12/640\]
anonymous
  • anonymous
So grade is equal to \[(12/640) \times 100\]
anonymous
  • anonymous
1.875

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anonymous
  • anonymous
Is it clear
anonymous
  • anonymous
Is it clear ?
anonymous
  • anonymous
yes it is
anonymous
  • anonymous
Okay, bye then

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