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It is known that dy/dx = 18. If dy/dt = 14 what is dx/dt.

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lxsptter | Student, Undergraduate | (Level 2) Valedictorian

Posted April 10, 2013 at 5:17 PM via web

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It is known that dy/dx = 18. If dy/dt = 14 what is dx/dt.

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted April 10, 2013 at 5:22 PM (Answer #1)

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To solve this problem keep in mind that `dy/dx = (dy/dt)/(dx/dt)` .

As `dy/dx` = 18 and `dy/dt` = 14

`dx/dt = (dy/dt)/(dy/dx)`

= `14/18`

= `7/9`

The value of `dx/dt = 7/9`

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