Answer:
Step-by-step explanation:
Red = r, blue = b,
Substitute:
- 9b = b + 288
- 8b = 288
- b = 288/8
- b = 26
Red marbles:
Answer:
x = 68°
Step-by-step explanation:
∠ DCB = ∠ EDC = 27° ( alternate angles )
Thus ∠ ECB = 23° + 27° = 50°
The sum of the 3 angles in a triangle = 180°, thus
x = 180° - (62 + 50)° = 180° - 112° = 68°
Answer:
x=-4
Step-by-step explanation:
Answer:
CANT ZOOM IN ITS SIDEWAYS CANT SEEEEE XD
Step-by-step explanation:
Y=x-4
x=y+4
y=-3(y+4)
y=-3y-12
4y=-12
y=-3
x=1
