Answer:
x = 19
Step-by-step explanation:
The angles are vertical angles and vertical angles are equal
154 = 6x+40
Subtract 40 from each side
154-40 = 6x+40-40
114= 6x
Divide by 6
114/6 = 6x/6
19 =x
Answer:
negative
Step-by-step explanation:
negative because you are losing something
Answer:
C
Step-by-step explanation:
11 times 11 = 121
11 times 12 equals 132
11 times 13 = 143
Answer:
t=-2
Step-by-step explanation:
(t+9)20=140
Distribute the 20
20t +180 = 140
Subtract 180 from each side
20t +180-180 = 140-180
20t = -40
Divide by 20
20t/20 = -40/20
t=-2
Answer:the number is ten
Step-by-step explanation:
