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anonymous

  • one year ago

help please!!!

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  1. anonymous
    • one year ago
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    @Vocaloid

  2. anonymous
    • one year ago
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  3. anonymous
    • one year ago
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    @Vocaloid

  4. MrNood
    • one year ago
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    This is EXACTLY the same problem as I spent 2 hours on with oyu this week and you contributed NOTHING If you had tried to do that then yu would know how to do this. Multiply both sides by the scale factor to get the length of the real room in inches

  5. anonymous
    • one year ago
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    ok sooo... thats the first step? @MrNood

  6. anonymous
    • one year ago
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    l*w =a or 6*4=24 @MrNood you dont have to be mean about it

  7. anonymous
    • one year ago
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    24 before scale factor whats your scale factor

  8. anonymous
    • one year ago
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    20?

  9. anonymous
    • one year ago
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    ok i think its 20*24=480

  10. anonymous
    • one year ago
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    thanks for the help @douglas101 but let @MrNood help me :)

  11. anonymous
    • one year ago
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    ok good luck

  12. MrNood
    • one year ago
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    It ells you in the drawing the scale is 1:40 this means the drawing is 40 times smaller than the room so multiply the drawing sizes (6" and 4") by 40 to get the lengths of the sides of the real room

  13. anonymous
    • one year ago
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    so i have to do 6 x 40 and 4 x 40?

  14. MrNood
    • one year ago
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    SO the scale length of the room is 6" means the real length of the room is ?? inches the scale width of the room is 4 inches means the real width of the room is ?? inches

  15. MrNood
    • one year ago
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    yes - do what you said above

  16. anonymous
    • one year ago
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    ok.. 6 x 40 = 240 4 x 40 = 160 @MrNood

  17. anonymous
    • one year ago
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    @MrNood ??

  18. MrNood
    • one year ago
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    SO the scale length of the room is 6" means the real length of the room is 240" the scale width of the room is 4"means the real width of the room is 160" The area of the room is length x width length = 240" width = 160" so Area = ??? square inches?

  19. anonymous
    • one year ago
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    so for area i have to do this.. 240 x 160?

  20. MrNood
    • one year ago
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    Yes - that wil give you the area in square inches do that first (but it is not quite the answer yet....)

  21. anonymous
    • one year ago
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    ok its.. 38,400

  22. MrNood
    • one year ago
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    Correct you need to put in the units: Area of room = 38400 square inches but th equestion asks for the answer in square feet

  23. MrNood
    • one year ago
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    SO|dw:1432837996502:dw| IF you had tiles which were 1" square how many would you need to fill 1 square foot? 12" wide by 12" long

  24. anonymous
    • one year ago
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    1 right? @mrnood

  25. MrNood
    • one year ago
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    you have a tile which is 1INCH on each side you have a square which is 12 inches on each side (see my diagram) How many little tiles will fill the big square?

  26. anonymous
    • one year ago
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    oh! is it 12

  27. MrNood
    • one year ago
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    no 12 would just make 1 row look at my diagram you need 12 rows of 12 tiles to fill the big square how many is that?

  28. anonymous
    • one year ago
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    24?

  29. anonymous
    • one year ago
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    @MrNood

  30. anonymous
    • one year ago
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    or 144?

  31. MrNood
    • one year ago
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    no - that would fill 2 rows LOOK at my diagram |dw:1432838940902:dw| you have 12 tiles in each row there are 12 rows in 1 row 12 in 2 rows 24 in 3 rows 36 . . . in 12 rows ???