Answer:
0
Step-by-step explanation:
9^2 * (1/3)^2 -9
PEMDAS says powers first
81 * 1/9 -9
Then multiply
9 -9
Then subtract
0
Answer:
15.1 to nearest tenth.
Step-by-step explanation:
The 7 is the lowest number so the mean would increase if taken away.
New mean = (8 + 12 + 13 + 15 + 18 + 19+21) / 7
= 106 / 7
= 15.14
Answer:
12 girls
Step-by-step explanation:
multiply 8 by 3/2 to get 12.
For this case we have:
By definition, the factorization is an algebraic expression that is used to find two or more factors, taking into account that the product of these factors must be equal to the given expression.
That is to say:
Given an expression of the form 
We can factor in the following way:

Since, its product is:
,
checking the given definition.
If we have:

We can factor:

When making your product we obtain:
Answer:

<span>area of a square = a^2 = 5^2 = 25
answer
</span><span>area of a square = 25 cm^2</span>