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Compassionate
 one year ago
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?
Compassionate
 one year ago
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?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It was a little hard to visualize. I think this is what they mean dw:1440215908295:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1440216070262:dw

Compassionate
 one year ago
Best ResponseYou've already chosen the best response.2I suppose they want a scale factor or something along those lines

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think the height's 9.5 and they want the length. and the triangles are similar so we can set up an equation

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0corresponding sides are proportional so \[\frac{ 12 }{ x }=\frac{ 8 }{ 9.5 }\]

Compassionate
 one year ago
Best ResponseYou've already chosen the best response.2So then we cross multiply and solve, right

Compassionate
 one year ago
Best ResponseYou've already chosen the best response.2144 = 8x, x = 18

Compassionate
 one year ago
Best ResponseYou've already chosen the best response.2right. Autism speaks. Don't know how I did that. Thanks a lot man!

tHe_FiZiCx99
 one year ago
Best ResponseYou've already chosen the best response.0Noice 1, Comp GeeGee
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