Answer: 3
Step-by-step explanation:
Mean simply means average. To calculate mean,we add together all the numbers given and divide them by the amount of numbers.
The Mean here will be:
= [8 +(-10) + 7 + 10 + (-3) + 6]/6
=18/6
= 3
The mean is 3
Answer:
below
Step-by-step explanation:
Notice that each time we add a an odd number of squares to create a new square
each time we add an odd number we create a perfect square
a perfect square.
- the first square has only one small square ( )
- the second one has 4 small squares ( )
- the third has 9 squares ( )
A perfect square is written as:
- P = n²
- P is the perfect square
- n is a positive integer ( since we are working with squares)
to get the first square we replaced n with 1, to get the second one we replaced it with two and so on ...
So the formula is:
Basically that’s it but write it down by yourself