A. 320 km in 5 hours is a rate of per hour. b. 48 books bought for $360 is at the rate of per book.
c. If 900 litres of water flows through a tap in 2 hours, it is the rate of per minute.
d. Richard works for 10 hours and is paid $145. His rate of pay is per hour.
e. 5kg of peas cost $12.58, which equals per kg.

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.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis