According to a weather service, the formula to calculate the average temperature in New Orleans for any given day of the year is T(x) = 20 + 8cos[ 2π 365 (x - 197)]. What is the average temperature in New Orleans on day 245 of the year? (to the nearest tenth °C)

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

What is the measure of angle x? answer