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Mathematics 9 Online
Mckenzie6450:

The number of daylight hours at a particular day of the year at a particular latitude is given by: H(t) = Asin(Bt - C) + D. For Boston, MA the formula becomes H(t) = 3.1sin( 2π 365 t – 1.35) + 12.12 Which of these represents the number of daylight hours in Boston on the 180th day of the year?

Vocaloid:

plug in t = 180

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