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abymartinez15

  • one year ago

Determine the length and midpoint of the segment whose endpoints are (–15, 9) and (–4, 11). A. length = 11.18, midpoint = (–5.5, 1) B. length = 11.18, midpoint = (–9.5, 10) C. length = 26.17, midpoint = (–5.5, 1) D. length = 26.17, midpoint = (–9.5, 10)

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  1. freckles
    • one year ago
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    midpoint just find the average of the x values and the average of the y values the average of two numbers can be found by adding those numbers and dividing by 2 (you know since there are two numbers)

  2. freckles
    • one year ago
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    for example the average of the x's is given by (-15+(-4))/2

  3. freckles
    • one year ago
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    the length between the endpoints can be found by using the distance formula

  4. freckles
    • one year ago
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    \[d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}\]

  5. abymartinez15
    • one year ago
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    So after i finish solving for the formula I can get my answer or I have to do more?

  6. freckles
    • one year ago
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    the thing called d will give you the length when pluggin in the points the average of the x's and the average of the y's will give you the midpoint

  7. freckles
    • one year ago
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    that is what your question ask to find is the midpoint and the length between the endpoints

  8. abymartinez15
    • one year ago
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    ok thank you :D

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