Answer:
523.6
Step-by-step explanation:
Not sure how to explain •-•
Hope it helps c:
Answer:
C.
and
Step-by-step explanation:
You have the quadratic function
to find the solutions for this equation we are going to use Bhaskara's Formula.
For the quadratic functions
with
the Bhaskara's Formula is:


It usually has two solutions.
Then we have
where a=2, b=-1 and c=1. Applying the formula:

Observation: 

And,

Then the correct answer is option C.
and
The answer is D. Because it is easier to add 9 and 2 and also 8 and 1.
Answer:

Step-by-step explanation:
To find : What is a distributive property of 72 divided by 4 ?
Solution :
The distributive property of division is given by,

We have to divide 72 by 4,
So, Re-write 72 as 60+12.
Substitute,




Therefore, 
Answer:
The answer is D
Step-by-step explanation:
This is because it cant be 13 or any smaller, and if the shorter side is 13 than it can't be any less than double itself, so it's D