A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

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?

  • This Question is Closed
  1. Compassionate
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    @Miracrown

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    It was a little hard to visualize. I think this is what they mean |dw:1440215908295:dw|

  3. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1440216070262:dw|

  4. Compassionate
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    I suppose they want a scale factor or something along those lines

  5. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I think the height's 9.5 and they want the length. and the triangles are similar so we can set up an equation

  6. Miracrown
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Hi

  7. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    corresponding sides are proportional so \[\frac{ 12 }{ x }=\frac{ 8 }{ 9.5 }\]

  8. Compassionate
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    So then we cross multiply and solve, right

  9. Compassionate
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    144 = 8x, x = 18

  10. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    12*9.5 = 114

  11. Compassionate
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    right. Autism speaks. Don't know how I did that. Thanks a lot man!

  12. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    np

  13. tHe_FiZiCx99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Noice 1, Comp GeeGee

  14. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.