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12 April, 10:24

Find the distance cd rounded to the nearest tenth. C = (7,-4) d = (-7,-5)

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  1. 12 April, 12:57
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    The equation for distance is the sqrt of (x-x) ^2 + (y-y) ^2.

    C (7,-4) D (-7,-5) 7 becomes x1 and - 4 becomes y1. - 7 is now x2 and - 5 is y2. Plug them in, the order doesn't matter.

    (-7-7) ^2 + (-5+4) ^2

    (-14) ^2 + (-1) ^2

    196+1

    sqrt of 197

    or

    Rad 197
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