Answer:
irrational
Step-by-step explanation:
irrational because it has decimals at the end.
I think its 208cm<span>² ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, </span>
Substitute y = 4x - 1 in the first equation:-
4x - 1 = 8x - 9
-4x = -8
x = 2
Now substitute x = 2 in the second equation:-
y = 4(2) - 1 = 7
Solution is (2, 7). (That is y = 7 and x = 2)
Part B
The graphs will intersect at the point (2, 7)
The said triangle that is asked is a right triangle which has a proportion on each angle of 3 and 6. These proportions are the angles, which is 45, 45, and 90, which also means that the two rays of the triangle are the same and proved that ab= ac that makes the angle a is a 90 degree in value.