• marigirl
Plz check my work The depth of water h, is meters at the entrance to a harbour t hours after midnight can be modelled by the equation h=5+2.6cos 4*pi*t/25. At what rate is the depth of the water changing at 10 am? So dh/dt= -1.3069sin (4*pi*t/25) Which is correct Then to find depth of water change we substitute t=10 yes? When I did I get -0.114 Which doesn't make sense?? ANSWER says:at t=10 dh/dt= 1.24m
Mathematics
• Stacey Warren - Expert brainly.com
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SOLVED
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