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5 May, 09:36

Solve the equation when x=40. This will show the ball's height, in feet, when it reaches the goal post. Y=-0.1x^2+4x

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Answers (2)
  1. 5 May, 09:51
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    0

    Step-by-step explanation:

    -0.1 (40) ^2+4 (40)

    -160+160

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  2. 5 May, 10:02
    0
    y=0

    Step-by-step explanation:

    1) lets substitute "40" as x:

    y=-0.1 (40) ^2+4 (40)

    2) simplify

    y=-0.1 (1600) + 160

    y=-160+160

    y=0
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