Answer:
r= 0
r= 1
b= -3
x= -3
Step-by-step explanation:
4r-8r=0
-4r=0
r=0
-15=-8r-7r
-15= -15r
r=1
3b+7-1=-3
3b= -3-7+1
3b= -9
b= -9/3
b=-3
3x+1-6x=7
-3x= 7-1
-3x= 6
x= -6/3
x= -3
Answer:
you answer should be b
Step-by-step explanation:
I am not 100% sure
Answer:
69 degrees
Step-by-step explanation:
yeah
Answer:
1100 characters
Step-by-step explanation:
275 characters : 5 minutes
? characters : 20 minutes
5 x 4 = 20 minutes
275 x 4 = 1100 characters
Minor arc AD is 360° -124° -78° = 158°. Then angle ABD is
(158° -78°)/2 = 40°
The appropriate selection is
C) 40°