cars8054 cars8054 14-05-2021 Mathematics contestada What is the constant of proportionality of (perserved) 1. y=2.0+ 0.5x 2.y=75x 3.y=55x 4.y=320-15x 5. y= 15/60 x+30 6.y=2.25 7.y=5x+3 8.y=3-0.6x 9.y=15+ 1/2x 10.y=65x