12x-9-3x=72
9x-9=72
9x-9+9=72+9
9x=81
9x/9=81/9
x=9
Answer:
12
Step-by-step explanation:
20 - 5 = 15
15 - 3 = 12
Answer:
x= 97/3
Step-by-step explanation:
Answer:
C)
Step-by-step explanation:
The formula for the area of a trapezium is :
A is the top line
B is the bottom line
To work this out you would first add 6 to 10, which is 16. Then you would divide 16 by 2, which is 8. Then you would multiply 8 by 8, which is 64
1) Add 6 to 10.
2) Divide 16 by 2.
3) Multiply 8 by 8.
Mode: 22
Mean: 27.4
Range: 27
Median : 22