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zigzagoon2000 Group Title

Please help a. Find the surface area of the cube. b. Find the volume of the cube. Cube: http://i1255.photobucket.com/albums/hh639/zigzagoon20001/Question3Cube.jpg

  • one year ago
  • one year ago

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  1. Callisto Group Title
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    What is the area of one surface of the cube?

    • one year ago
  2. zigzagoon2000 Group Title
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    I don't know.

    • one year ago
  3. myko Group Title
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    think

    • one year ago
  4. zigzagoon2000 Group Title
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    I don't know how to do this.

    • one year ago
  5. myko Group Title
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    how would you calculate suqare meters of your room?

    • one year ago
  6. zigzagoon2000 Group Title
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    I don't know, how would you do that?

    • one year ago
  7. myko Group Title
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    you would multiply width by length, no?

    • one year ago
  8. zigzagoon2000 Group Title
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    Okay, and how do I figure out the width or the length? It only says "4x-5" underneath the cube.

    • one year ago
  9. myko Group Title
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    |dw:1354440210511:dw| right?

    • one year ago
  10. zigzagoon2000 Group Title
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    I don't know if that's right. If you say so. I don't know that much about this topic. So what would the width or length be in this situation?

    • one year ago
  11. myko Group Title
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    to figure an area of a rectangular region, you multiply it's length by it's width

    • one year ago
  12. zigzagoon2000 Group Title
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    Well myko just told me how, but I do not know the width or length is of this rectangle.

    • one year ago
  13. myko Group Title
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    so , imagine you have a square (length = width) |dw:1354440386801:dw|

    • one year ago
  14. zigzagoon2000 Group Title
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    I'm sorry, this is all very confusing to me.

    • one year ago
  15. myko Group Title
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    this is, actualy, one of the faces of the cube. To find total surface area, just count how many faces it has.

    • one year ago
  16. zigzagoon2000 Group Title
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    I'm assuming it has 6 faces, right?

    • one year ago
  17. myko Group Title
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    you right, so total surface area will be 6 times the area of one of the faces

    • one year ago
  18. myko Group Title
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    in your case: |dw:1354440579144:dw|

    • one year ago
  19. myko Group Title
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    got it?

    • one year ago
  20. skullpatrol Group Title
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    Still confused?

    • one year ago
  21. skullpatrol Group Title
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    The definition of area reads: area: The area of a region is the number of square units it contains.

    • one year ago
  22. skullpatrol Group Title
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    In this question you can not calculate a numerical answer because you don't know what the value of x is. You can only give the equations: surface area = 6(4x-5)^2 volume = (4x-5)^3

    • one year ago
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