Step-by-step explanation:
The eqn is
3x+4y=2
slope=-xcoeff/ycoeff
m=-3/4
the eqn is
y-y1=m(x-x1)
y+1=-3/4(x-4)
4y+4=-3x+12
3x+4y=8
Step-by-step explanation:
Therefore, 55+40+z=180
z=180-95
z=85
To get y,
z+y=180
85+y=180
y=95
Answer:
cosA =
Step-by-step explanation:
cosA = = = =
It is d!! Hope this helped