Compassionate
  • Compassionate
An aceptabe slope for a stairway is 8 inches of rise for eac 12 inches of tread or run. A builder wants to build a house with a distance of 9 feet 6 inches between the first floor and second floor. How many linear feet of room will the stairway occupy on the first loor?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Compassionate
  • Compassionate
@Miracrown
anonymous
  • anonymous
It was a little hard to visualize. I think this is what they mean |dw:1440215908295:dw|
anonymous
  • anonymous
|dw:1440216070262:dw|

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More answers

Compassionate
  • Compassionate
I suppose they want a scale factor or something along those lines
anonymous
  • anonymous
I think the height's 9.5 and they want the length. and the triangles are similar so we can set up an equation
Miracrown
  • Miracrown
Hi
anonymous
  • anonymous
corresponding sides are proportional so \[\frac{ 12 }{ x }=\frac{ 8 }{ 9.5 }\]
Compassionate
  • Compassionate
So then we cross multiply and solve, right
Compassionate
  • Compassionate
144 = 8x, x = 18
anonymous
  • anonymous
12*9.5 = 114
Compassionate
  • Compassionate
right. Autism speaks. Don't know how I did that. Thanks a lot man!
anonymous
  • anonymous
np
tHe_FiZiCx99
  • tHe_FiZiCx99
Noice 1, Comp GeeGee

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