Find the distance between C=(7,-4) and D=(-8,-5)

Question

Find the distance between C=(7,-4) and D=(-8,-5)

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Edana Edana 3 years 2021-09-03T07:05:48+00:00 1 Answers 4 views 0

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    2021-09-03T07:07:03+00:00

    Answer:

    \/226 is te exact form

    Step-by-step

    /(x2-x1)^2 +(y2-y1)^2

    /((-8)-7)^2 + ((-5)-(-4))^2

    /226

    Decimal form is 15.03329637

    So 15.03

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )