Answer:
4
Step-by-step explanation:
The mean of 2x and 12 is (2x+12)/2, so we get the equation:
(2x+12)/2 = 10 =>
x+6=10
x = 10-6 = 4
* Your question states four numbers, but you write only two... the answer could be wrong because of that.
Answer:
CMB=50 ACM=75 ABC=125
Step-by-step explanation:
I know it’s too late for your principal test but i need my points.
x = 6
you have to work out the problem and what ever you do to one side, you do to the other
Answer:
30 feet
Step-by-step explanation:
For this problem we can use ratios 6:4 and x:20. We can also write these ratios as fractions 6/4 and x/20 or 3/2 and x/20. Set the two fractions equal to each other and solve for x:
3/2 = x/20
1.5 = x/20
30 = x