Provide three examples of a dissociation of a perfect glide dislocation on (-111) into two shockley partial dislocations. remember that the dislocations have to remain on the same glide plane and that the burger’s vector has to be conserved.

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Which of these triangle pairs can be mapped to each other using two reflections?