1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

My math homework help corner

Discussion in 'General Discussions' started by asdff, Dec 18, 2006.

Thread Status:
Not open for further replies.
  1. baldudexx

    baldudexx Level III

    Joined:
    Dec 26, 2006
    Messages:
    386
    Likes Received:
    0
    Location:
    In your house
    I've got a problem here:

    Let V be the number of corners of a 3-D object, F the number of plane faces and E the number of edges. For instance, for a cube V=8, F=6 and E=12.

    a) Calculate V + F - E for a cube. (done this one, easy)

    I have a large piece of cheese in the form of a perfect cube, and I carefully slice off small portions of cheese from every corner to expose flat, new triangular faces. The cuts are small enough so they don't interfere with each other.

    b) Calculate the values of V, E, F and V + F - E for the resulting object.

    c) You should notice something about your answers for V + F - E. By thinking about what happens when you slice a corner off a cube, explain this.

    +rep for the person to get the answer first. :lol:
     
  2. puzzl3b0x

    puzzl3b0x Level II

    Joined:
    Dec 29, 2006
    Messages:
    330
    Likes Received:
    0
    Location:
    Toronto, CA
    What is a derivative...
     
  3. kkytha

    kkytha Newbie

    Joined:
    Dec 12, 2006
    Messages:
    38
    Likes Received:
    0
    deriative?
    Ermm
    Someone who doesn't use deodrent?
    lol
     
  4. drakona

    drakona Newbie

    Joined:
    Jan 12, 2007
    Messages:
    6
    Likes Received:
    0
    what is....

    whats the answer to... 3.1415927xY Y=?
     
  5. drakona

    drakona Newbie

    Joined:
    Jan 12, 2007
    Messages:
    6
    Likes Received:
    0
    whats 100000000000000000000000000x10000000000000000

    ?????
     
  6. anonymouso_O

    anonymouso_O Level III

    Joined:
    Dec 20, 2006
    Messages:
    619
    Likes Received:
    0
    number one no one's here to answer that right now.... number two what you're doing there is double posting, I suggest you read the rules now
     
  7. Angelika

    Angelika Moderator

    Joined:
    Dec 25, 2006
    Messages:
    2,905
    Likes Received:
    36
    Location:
    <(^_^)>
    You shouldn't double post. Be patient and give someone a chance to answer your question. Make sure you read the rules and understand them so you don't get banned or suspended.

    And for your question, all the problem gives you is pi(y) and you have to solve for y? Shouldn't there be more information given...?
     
  8. chrisw2525

    chrisw2525 Level IV

    Joined:
    Nov 10, 2006
    Messages:
    986
    Likes Received:
    0
    Location:
    Canada
    Re: what is....

    y = PIEEEEEEEE
     
  9. lazypando

    lazypando Level IV

    Joined:
    Nov 16, 2006
    Messages:
    3,326
    Likes Received:
    94
    Re: what is....

    lol^_^...y pi

    well, every piece of CHEESE sliced off reveals 2 more verticies, 3 more edges and 1 more face....so, your block of cheese now has 14 faces, 24 verticies, and 36 edges...an OCTAHEDRAL!

    V + F - E = 2
    of course, that is the general relationship of faces, verticies, and edges of solid shapes ^_^
     
  10. baldudexx

    baldudexx Level III

    Joined:
    Dec 26, 2006
    Messages:
    386
    Likes Received:
    0
    Location:
    In your house
    Re: what is....

    Grats, just repped you. :lol:
     
  11. bloopopo

    bloopopo Level I

    Joined:
    Jan 6, 2007
    Messages:
    51
    Likes Received:
    0
    any other problems?
    i can take pre-calc and below =)
     
  12. Jarheadman

    Jarheadman Newbie

    Joined:
    Jan 13, 2007
    Messages:
    17
    Likes Received:
    0
    Hehe

    Could i post my whole algebra 2 worksheet? :lol:
     
  13. baldudexx

    baldudexx Level III

    Joined:
    Dec 26, 2006
    Messages:
    386
    Likes Received:
    0
    Location:
    In your house
    Re: Hehe

    If you felt like it, I only posted two of my problems here, but I'm sure the board would be happy to help. :lol:
     
  14. corrykid

    corrykid Level I

    Joined:
    Jan 14, 2007
    Messages:
    123
    Likes Received:
    0
    I'll help.
    I can do 10th and under.
     
  15. baldudexx

    baldudexx Level III

    Joined:
    Dec 26, 2006
    Messages:
    386
    Likes Received:
    0
    Location:
    In your house
    See, people are happy to help, lol.

    So post your sheet if your stuck.
     
  16. lazypando

    lazypando Level IV

    Joined:
    Nov 16, 2006
    Messages:
    3,326
    Likes Received:
    94
    if you do my homework i'll do yours :p
     
Thread Status:
Not open for further replies.