Kareem heats a beaker of water to boil. Then he records that the water temperature decreases from 100 c to 19 c in 5 2/5 minutes. What was the average change in temperature each minute ?

Step-by-step explanation:

The average change in temperature is:

78.59 is the mean

step-by-step explanation:

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb