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student2015

求第5,7a,7b答案pls

要過程,thx

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  • eric
    2019-05-16 22:46:20
    5. The claim implies that the gradient is less than 2/36=1/18, but truth is the gradient is 1/12 which is greater than 1/18. So I disagree with the driver
  • student2015
    2019-05-16 22:57:19
    Also 7a,7b pls!thx a lot
    •  eric 2019-05-16 22:46:20
    • 5. The claim implies that the gradient is less than 2/36=1/18, but truth is the gradient is 1/12 which is greater than 1/18. So I disagree with the d ..
  • eric
    2019-05-16 22:57:51
    7a.先求gradient=tan7° 然後求整數n使1/n最接近tan7°
  • eric
    2019-05-16 23:02:10
    7b.Let v be the vertical distance Then v/350=1/n, where n is found in a Try to find v from this equation
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