Step-by-step explanation:
(10x-20)+(6x+8)= 180
16x -12=180
16x= 192
x= 12°
Answer:
-1
Step-by-step explanation:
-3-8+12+9-15 divided by 5
gives -5/5=5
mean means average total number over frequency
All tapezoids have 1 parallel side
Answer:
x = 12
Step-by-step explanation:
2(x-18)+ 3x = 24
distribute the 2
2x - 36 + 3x = 24
combine like terms
5x - 36 = 24
+ 36 on both sides
5x = 60
divide by 5
x = 12