Answer:
7
Step-by-step explanation:
-x+2+5x=10(x-4)
4x+2=10x-40
2+40=10x-4x
42=6x
42/6=6x/6
7=x
To find the mean, we add up all the numbers then divide the sum by how many numbers there are
12 + 15 + 14 + 12 + 4 + 8 = 65
65 ÷ 6 = 10.833333
Hope this helps
Answer:
Positive
Step-by-step explanation:
Two positive numbers when adding equal a positive.
87 + 53 = 140 So Positive.
Hope this helped.
Answer:
Step-by-step explanation:
5x - 8 = 16 -3x
8x - 8 = 16
8x = 24
x = 3
AC= 5(3) - 8 = 15 - 8 = 7
CD= 16 - 3(3) = 16 -9 = 7
7 + 7 = 14 = AD
Answer:
50 inches
Step-by-step explanation:
75×12=900 900÷18=50