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Spring98

  • one year ago

The graph shows the location of Jacob's, Kent's, and Hakim's houses. Each unit on the graph represents 1 kilometer.

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  1. Spring98
    • one year ago
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    Hakim is preparing for a cross country meet. Hakim is going to run from his house to Jacob's, then to Kent's, and finally back home. How many total kilometers did Hakim run? Round your answer to the nearest whole kilometer. 6 kilometers 14 kilometers 18 kilometers 22 kilometers

  2. Spring98
    • one year ago
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    https://cv-kettle-falls.brainhoney.com/Resource/30603643,0/Assets/75282_53df8b0b/03_03_41.gif

  3. Spring98
    • one year ago
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    @surjithayer plz help

  4. anonymous
    • one year ago
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    it asks for the perimeter of the triangle.

  5. Spring98
    • one year ago
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    yes and i counted out 12 but there is no 12 on the answer choices

  6. anonymous
    • one year ago
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    since it's a right triangle you know that to get the hypotenuse its going to be \[c = \sqrt{a^2+b^2}\] then you'll just add the straight line distances

  7. anonymous
    • one year ago
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    |dw:1444533148669:dw|

  8. anonymous
    • one year ago
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    or you could say \[P = A + B + \sqrt{A^2+B^2}\] where A and B are the straight lines

  9. Spring98
    • one year ago
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    @surjithayer plz help

  10. anonymous
    • one year ago
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    \[P = 4 + 4 + \sqrt{4^2 + 4^2}\]

  11. anonymous
    • one year ago
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    perimeter=4+4+4*1.414=8+5.656=13.656=14 approx

  12. anonymous
    • one year ago
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    13.656 round it up and it's 14

  13. Spring98
    • one year ago
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    ok so it would be B?

  14. Spring98
    • one year ago
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    right?

  15. anonymous
    • one year ago
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    yes

  16. Spring98
    • one year ago
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    thanks!!!

  17. anonymous
    • one year ago
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    np

  18. Spring98
    • one year ago
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    i got 100% thank you guys!!!!!! :) :) :)

  19. anonymous
    • one year ago
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    gratz

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