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11 October, 19:46

Find the distance CD rounded to the nearest tenth C = (7,-4) D = (-8,-5)

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  1. 11 October, 20:09
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    15.0 (to the nearest tenth)

    calculate the distance (d) using the distance formula

    d = √ (x₂ - x₁) ² + (y₂ - y₁) ²

    with (x₁, y₁) = (7, - 4) and (x₂, y₂) = ( - 8, - 5)

    d = √ (-8 - 7) ² + ( - 5 + 4) ² = √ (225 + 1) = √226 ≈ 15.0
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