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yoyogators

  • 2 years ago

Could you help me with this?

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  1. yoyogators
    • 2 years ago
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    Which would help to calculate the volume of the composite figure shown?

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  2. yoyogators
    • 2 years ago
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    first could you tell me what shape that is?

  3. xlegendx
    • 2 years ago
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    it looks like a prism...

  4. xlegendx
    • 2 years ago
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    no idea what kind though

  5. yoyogators
    • 2 years ago
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    Anyone know what formula i would use to solve this?

  6. hartnn
    • 2 years ago
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    that seems like the combination of prism and a semicirclular figure with uniform height ... do you have the dimensions ?

  7. xlegendx
    • 2 years ago
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    ^that's needed. rough idea would be base area x height..so dimensions would be fantastic

  8. yoyogators
    • 2 years ago
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    nope, it doesnt come this the dimensions, the question is asking what formula to use and i dont know which formula that is... here are the answers...

  9. yoyogators
    • 2 years ago
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    base times side one-half times pi times diameter times height one-third times length times width times height pi times radius times slant height

  10. xlegendx
    • 2 years ago
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    i am sorry dear moderator. i had no idea i unconsciously stated an answer. please don't ban me again

  11. hartnn
    • 2 years ago
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    lets see... semicicular region, area = 1/2 pi radius ^2 |dw:1372858384560:dw|

  12. hartnn
    • 2 years ago
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    you did state the answer ? i missed it!

  13. xlegendx
    • 2 years ago
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    let's keep it that way then

  14. yoyogators
    • 2 years ago
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    hartnn, i dont really understand what you drew?

  15. yoyogators
    • 2 years ago
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    The base is a rectangle if thats what you were asking

  16. hartnn
    • 2 years ago
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    i drew the base region, sorry for my bad drawing :P

  17. yoyogators
    • 2 years ago
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    oh okay :p so you think the formula is area = 1/2 pi radius ^2 ?

  18. hartnn
    • 2 years ago
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    thats just for semicircular part... but we need to add the area of rectangle too (1/2 pi r^2) + (2r)*(other side) but you choices do not contain the + (addition) part ..:\

  19. yoyogators
    • 2 years ago
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    oh :/ just from the answers which one would you think it is?

  20. hartnn
    • 2 years ago
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    let me guess, the answer must contain 'pi' due to circular region, so 2nd and 4th alternative but they only differ by the word 'slant' ! (because half of diameter = radius)

  21. hartnn
    • 2 years ago
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    are you sure, choices are correct ? because a volume should contain '3' dimension of length!

  22. yoyogators
    • 2 years ago
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    I would say its B and yes these are the correct answers

  23. yoyogators
    • 2 years ago
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    because once you have done the half circle there isnt anything that has to be done with a slant

  24. hartnn
    • 2 years ago
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    see, your choices a,b,d have only 2 dimensions of length, they all are AREAS!

  25. yoyogators
    • 2 years ago
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    ooooohhh...

  26. hartnn
    • 2 years ago
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    only choice 'c' is volume but it doen't contain pi :\

  27. hartnn
    • 2 years ago
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    if the 1st choice is base 'area' times side, then it can be the answer

  28. yoyogators
    • 2 years ago
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    Yeah i would actually say its C and yes it does the answer on my screen is 1/3TTr^2h

  29. yoyogators
    • 2 years ago
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    the TT is pi

  30. yoyogators
    • 2 years ago
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    I guess i did mess up the answers sorry :/

  31. hartnn
    • 2 years ago
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    ohh..but 'c' didn't describe 1/3 pi r^2 h... anyways, no problem :)

  32. yoyogators
    • 2 years ago
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    Thank you so much!

  33. hartnn
    • 2 years ago
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    welcome ^_^

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