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anonymous

  • one year ago

At the beginning of a run on a road that goes due east, Hayden noticed that she was 7 kilometers west of a blooming cherry tree. If the midpoint of her jog was 3 kilometers east of the blooming cherry tree, how far did Hayden have to travel? A) 20 km B) 4 Km C) 30 km D) 10 km

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  1. anonymous
    • one year ago
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    I'm thinking its either A or B?

  2. jim_thompson5910
    • one year ago
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    |dw:1443505624997:dw|

  3. jim_thompson5910
    • one year ago
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    |dw:1443505684500:dw|

  4. jim_thompson5910
    • one year ago
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    `the midpoint of her jog was 3 kilometers east of the blooming cherry tree` so we have |dw:1443505746957:dw|

  5. jim_thompson5910
    • one year ago
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    at this point, hopefully you see how these two lengths are equal (since the midpoint cuts the segment in half) |dw:1443505807797:dw| in other words, HM = MS H = hayden's position on the drawing

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