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School_Island_sad_face

  • 2 years ago

Pictured here is a grain silo on a farm. If it can be filled to the very top with corn, about how much corn can this silo hold? twenty-seven thousand, two hundred thirteen cubic feet of corn twenty-five thousand, one hundred twenty cubic feet of corn thirty-one thousand, four hundred cubic feet of corn twenty-three thousand five hundred fifty cubic feet of corn

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  1. School_Island_sad_face
    • 2 years ago
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  2. School_Island_sad_face
    • 2 years ago
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    you have to click the zoom button to see the picture

  3. blockcolder
    • 2 years ago
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    So the silo is composed of two parts: a cylinder and a cone. Find the volume of each, then add.

  4. School_Island_sad_face
    • 2 years ago
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    but how do you find the volume of the cone?

  5. blockcolder
    • 2 years ago
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    \(\Large V_{\text{cone}}=\frac{1}{3}Bh\) where B is the area of the base and h is the height from the apex to the base.

  6. School_Island_sad_face
    • 2 years ago
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    how do I find the base?

  7. blockcolder
    • 2 years ago
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    The base of the cone in this case is a circle with diameter 20.

  8. School_Island_sad_face
    • 2 years ago
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    oh, ok I thought you had to do something else

  9. School_Island_sad_face
    • 2 years ago
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    \[1/3_{20}\times20\] so is that how you find the answer? to the cone?

  10. School_Island_sad_face
    • 2 years ago
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    I am not getting the right answers... could you work the problem out?

  11. blockcolder
    • 2 years ago
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    I think you meant this: \[\frac{1}{3}(10)^2(20)\pi=\frac{2000}{3}\pi\] because the radius of the circle is 10. The V of the cylinder is \(\large (10)^2\pi(80)=8000\pi\) Add them up and you get \(\Large \frac{26000}{3}\pi\) or if you need a decimal, plug this in your calculator.

  12. School_Island_sad_face
    • 2 years ago
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    that isn't any of the answers... :( I am going to cry, why can't i figure this stupid question out!

  13. School_Island_sad_face
    • 2 years ago
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    Please help... :''''''(

  14. blockcolder
    • 2 years ago
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    The closest answer is the 27213, so I'd just take that answer.

  15. School_Island_sad_face
    • 2 years ago
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    okkkk.... :'( sniff sniiffff

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