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December 19, 2014

Homework Help: math

Posted by jessica on Saturday, August 13, 2011 at 7:52pm.

In Philadelphia the number of hours of daylight on day t (where t is the number of days after Jan. 1) is modeled by the function
L(t)= 12+2.83sin(2pi/365(t-365))

A) Which days of the year have about 10 hours of daylight?
B) Which days of the year have more than 10 hours of daylight?

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