Answer:
1/12
Step-by-step explanation:
You are close but 1/27 includes people who did not study but still passed. If you want a singular value you should look at the value for the for only the people who studied even if they passed.
KE=0.5xmxv2
=0.5x 1.2x10^3x (3.4x10^3)^2=6936000000
0,-8,-7,7,8 there is that correct??????
