How have computers changed since the 1930s?

They've changed starting from the material, to the how fast they work now. You can do virtual things on computers, you can cary them wherever you go as well. You have better comunication too. You have so many options on today's computers then computers from the 1930s.

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

answer; i believe its (cpr);