Answer:
10
Step-by-step explanation:
let the lengths of sides=x (each)
x²+x²=(10√2)²
2x²=100×2
x²=100
x=√100=10
Answer:
7.68
Step-by-step explanation:
Just add them :)
Answer:
4
Step-by-step explanation:
The mean is the average of a data set. It can be found by adding up all of the values in a data set and then dividing it by the number of values in the data set.
The values in this data set;
The number of values in this data set,
Find the mean;
Answer:
8
Step-by-step explanation:
4(2)+3(b-4(2))-2(2)=8