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hba

  • 2 years ago

The amount of water in the tank is 't' after it has started to drain is given by w=100(t-15)^2 gallon.The water is running out after 5 min at rate of ?

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  1. Galaxyy
    • 2 years ago
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    diffrentiaate w.r.t time

  2. hba
    • 2 years ago
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    w=100(t-15)^2 dw=200(t-15)dt

  3. hba
    • 2 years ago
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    so t=5 dw/dt=200(5-15) =-2000 gal/min

  4. Galaxyy
    • 2 years ago
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    so min is 5 u can solve @hba

  5. Galaxyy
    • 2 years ago
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    yup

  6. hba
    • 2 years ago
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    But the - sign shows that the water was running out ? so 2000 gal/min ?

  7. hba
    • 2 years ago
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    @Galaxyy

  8. Galaxyy
    • 2 years ago
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    exactly

  9. hba
    • 2 years ago
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    Thanks.

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spraguer (Moderator)
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