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Rachel411 Group Title

For a math project,Jane creates a cake shaped like a square pyramid with sides that measure 6 inches. The slant height is 7 inches. Jane wants to ice the cake with icing that cost $0.20 per square inch. How much will it cost Jane to ice the cake? a. $8.40 b. $16.80 c. $10.80 d. $21.60 Explain. Thanks.

  • one year ago
  • one year ago

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  1. Rachel411 Group Title
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    @timo86m

    • one year ago
  2. timo86m Group Title
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    |dw:1352769793102:dw| ?

    • one year ago
  3. Rachel411 Group Title
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    I think.

    • one year ago
  4. timo86m Group Title
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    http://math.about.com/od/formulas/ss/surfaceareavol_5.htm

    • one year ago
  5. Rachel411 Group Title
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    Do you understand it?

    • one year ago
  6. timo86m Group Title
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    cost is 2 * b* s * .2

    • one year ago
  7. Rachel411 Group Title
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    Will you explain?

    • one year ago
  8. timo86m Group Title
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    |dw:1352770021276:dw|

    • one year ago
  9. Rachel411 Group Title
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    Yes, that is correct....from what I see on the question.

    • one year ago
  10. Rachel411 Group Title
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    What did you get as the answer?

    • one year ago
  11. timo86m Group Title
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    just use the formula from this link http://math.about.com/od/formulas/ss/surfaceareavol_5.htm dont include the b^2 part since you dont ice the floor of the cake So it is 2 *7*6*.2

    • one year ago
  12. timo86m Group Title
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    16.8

    • one year ago
  13. Rachel411 Group Title
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    hmm...ok.

    • one year ago
  14. Rachel411 Group Title
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    Thank u:)

    • one year ago
  15. Rachel411 Group Title
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    Did you get my other messages?

    • one year ago
  16. Rachel411 Group Title
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    Tnx for ur help. @timo86m

    • one year ago
  17. Rachel411 Group Title
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    tnx for the medal:)

    • one year ago
  18. Rachel411 Group Title
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    What?

    • one year ago
  19. Rachel411 Group Title
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    Listen, grg,but Ill message u tmrw... Im probably gonna have a lot more math to do...ok?

    • one year ago
  20. Rachel411 Group Title
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    tnq uuu:)

    • one year ago
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