Answer:
x = 3
Step-by-step explanation:
According to Euclidian theorem (x+9)^2 = 18*8
(x+9)^2 = 144 find the root for both sides
x + 9 = 12 subtract 9 from both sides
x = 3
X - the total number of fish in the tank
6/7 of the fish in the tank have red stripes. 18 of the fish have red stripes.
There are 21 fish in the tank.
Answer:
25
Step-by-step explanation:
3 over 3 = 1
5 x (4-1)
5 x 4 = 20
5 x 1 = 5
20 + 5 = 25
The median is the middle number in between the set of numbers that's why it is not affected by the highest or lowest number in the set.