We can use 3 facts:



So, to find our x and our y we can do:
So, now that we know our x and our y we can find our r.

You'll notice, though, that there were two solutions for
, which means we have a positive and a negative for our x. So:

Answer:
To find the missing base, you simply divided the area by the given height. This will work the same way if you are looking for the height. To find the missing height, divide the area by the given base. Consider this parallelogram where height is the missing dimension.Oct 30, 2012
Step-by-step explanation:
D is equivalent negative times negative is positive and it is just double
Answer:
7x(5-4y)
Step-by-step explanation:
35x-28xy
7x(5-4y)