Tristan invests $8100 in two different accounts. The first account paid 10%, the second account paid 11% in interest. At the end of the first year he had earned $842 in interest. How much was in each account?

i need a diagram

step-by-step explanation:

no

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