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142343

  • 3 years ago

How much of the circle is shaded

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  1. 142343
    • 3 years ago
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  2. 142343
    • 3 years ago
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    i got 13/21

  3. estudier
    • 3 years ago
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    Can u draw it? I can't read docx

  4. KandyseR
    • 3 years ago
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    You have 1/3 and 1/7 un-shaded, right? So, in order to find out how much of the circle is un-shaded you have to add them. And in order to add them, you have to find a common multiple between 3 and 7. So, if you multiply 1/3 by seven, you get 7/21. And if you multiply 1/7 by 3 you get 3/21. Now you can add them. The unshaded region totals up to 10/21. The entire circle is a whole, so you can represent this like this: 21/21. Now, to calculate which part is shaded, subtract the unshaded part from the whole. You now have 21/21-10/21=11/21

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