3) How long is a line with endpoints of (-2, 6) and (7, 6)? * please help

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3) How long is a line with endpoints of (-2, 6) and (7, 6)? *
please help

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Thu Hương 5 years 2021-08-09T21:49:24+00:00 1 Answers 48 views 0

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  1. thanhha
    0
    2021-08-09T21:51:03+00:00
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    Step by Step: (Xa + Xb/2 , Ya+Yb/2)
    (-2+6/2 , 7+6/2)
    (4/2 , 13/2)
    Midpoint of a line segment (Xm,Ym) = (2,6.5)

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