81+30=111180 minus 111=691/2×19=9.569÷9.5=7.263157895~7.3
Another question on Mathematics
Mathematics, 21.06.2019 19:00
To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36