11. The table shows the distribution of the number of hours per day spent in studying by 50 students. Number of hours per day 4 5 6 7 8 9 10 11 Number of students 5 7 5 9 12 4. 3 5 Calculate, correct to two decimal places, the: (a) mean; (6) standard deviation.​

i believe that the slope of the line is -5

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