Answer:
-2.25
Step-by-step explanation:
9(1-x) = 27Y
9-9x =27y
-9x -27y = -9 multiply all terms by -1
9x +27y =9 equation (1)
x-y= -11/2 equation (2)
by solving 2 equations
x= -3.875
y= 1.625
∴ x+ y = 1.625 +(-3.875) = -2.25
Answer: 62°
Solution:
tan x =34/18
x=tan^-1 (34/18)
x=62°
Answer:
Cool
Step-by-step explanation:
Answer: 68 degrees
Step-by-step explanation:
-9/5 or -1.8
2 - - 3 = 5
-5 - 4 = -9
