Well, i think that first you should add the function of 3x to 2/, so you get 46. Now, multiply 46 to -2 and you get 51. Finally add 3x, 51, and 46 together, and you'd get 711.4
We need to know this:
If Δ > 0 we have two and different solutions
If Δ = 0 we just one solution
If Δ < 0 we don't have real solutions
Assume L=1.5W, where W=width, L= Length of the triangle.
Therefore,
Perimeter (P) = 2(W+L) = 2(W+1.5W) = 2(2.5W) = 5W=20 => W=20/5 = 4 in
Then, L=1.5W = 1.5*4 = 6 in
Area, A= L*W = 6*4 = 24 in^2
X° = 90°-29°
= 61°
y°= 90°- 61°
= 29°
find y and x right?
