Math

posted by .

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)]

  • Math -

    this problem is modelling daylight hours using the form y = d+a sin[b(t-c)], btw

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. help,math

    can some set the equation up for me. Science and medicine. A plane flies 720 mi against a steady 30-mi/h headwind and then returns to the same point with the wind. If the entire trip takes 10 h, what is the plane‚Äôs speed in still …
  2. bobpursly, check please,math

    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, then (v-30)(v+30)X 720(V+30) + (v-30)(v+30) X 720(V-30)=(v-30)(v+30)X 10(v-30)(v+30) then multily out, …
  3. Math

    how do you do a problem like this? 720m/day=?
  4. Math

    720-2=1/6 Try to find the correct answer. Example is 11+30=1 reading 11 months plus 30 days equals 1 year. If I have fiqured this correctly it is 720 seconds minus 2 minutes = 1/6 of one hour. Can any one agree or disagree?
  5. 11th grade-Calculas

    The number of hours of daylight D depends upon the latitude and the day t of the year and is given by the equation : D(t)=12+Asin(((2pi)/(365))(t-80)) where A depends only on the latitude (and not t). for latitude 30 degress, A is …
  6. math

    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?
  7. pre calc

    Over the course of a year, the number of hours of daylight in Australia is modelled by H=12+3 cos(2pi/365 *t) where t is the time in days and T is the number of daylight.
  8. Calc..Help Please

    A model for the length of daylight (in hours) in Philadelphia on the t th day of the year is L(t)= 12+2.8 sin[2pi/365(t-80)] Use this model to compare how the number of hours of daylight is increasing in Philadelphia on March 21 and …
  9. trig

    How would I solve this problem for t? 720 = 11.895+2.545sin [2pi/366(t-80.5)]
  10. Chemistry

    A 360-mL sample of hydrogen is collected when the pressure is 800 mm Hg. What is the volume that the gas will occupy when the pressure is 720 mm Hg?

More Similar Questions