Find the distance between the two points rounding to the nearest tenth (if necessary). (-4,-6) and (-9,6)

Question

Find the distance between the two points rounding to the nearest tenth (if necessary).
(-4,-6) and (-9,6)

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Diễm Thu 2 months 2021-08-28T07:36:52+00:00 1 Answers 0 views 0

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    2021-08-28T07:38:31+00:00

    Answer:

    13

    Step-by-step explanation:

    d=\sqrt{(x2-x1)^{2} +(y2-y1)^{2} } \\d=\sqrt{(-9--4)^{2} +(6--6)^{2} } \\d=\sqrt{25 +144}\\d=\sqrt{169}\\d=13

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