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Mathematics
Trigonometry
Solving equations
How would I solve for t if y equals 720 minutes of daylight and t=the number of days in 2012
720 = 713.7+152.7 sin [(2pi/366)(t-80.75)]
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this problem is modelling daylight hours using the form y = d+a sin[b(t-c)], btw
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Your solution looks good to me. :-)
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do you mean like this:
720/(V-30) + 720/(V+30) = 10 Get a common denominator of (v-30)(v+30) then multiplying both sides by that,
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Yes, that's correct! It seems like you're solving an equation using algebraic manipulation. Let me
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how do you do a problem like this?
720m/day=?m/mm your units don't match and make no sense. did you mean 720 m/day = ? m/minute?
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