Answer:
12
Step-by-step explanation:
Average of A and B is 6
(A+B) /2 = 6
Multiply each side by 2
A+B = 12
average of X, Y, and Z is 16
(X+Y+Z)/3 = 16
Multiply each side by 3
(X+Y+Z) = 48
To find the average of all of them
(A+B+X+Y+Z)/5
replace A+B with 12 and X+Y+Z with 48
(12+48)/5
60/5 = 12
Answer: The 3 in 3,899 is 10 times the 3 in 4,385!
Answer:
1
Step-by-step explanation:
You can only cut it in half (vertically)
Step-by-step explanation:
- 19 x + 23 x = 44
4x = 44
x = 44/ 4
x = 11
Hope it will help :)
Answer:
x = 20
Step-by-step explanation:
The two angle are a linear pair. Their measures has a sum of 180 deg.
2x + 140 = 180
2x = 40
x = 20