Xand y are continuous values, both measured to 2 significant figures. x=230 and y=400. work out the greatest possible value of x/y^2.
(this is on an upper and lower bounds sheet)

answer: yes i agree that you should not put it on/p>

step-by-step explanation: the reason for this is that it wastes other peoples time and also make them fail as well and that is never good.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,