5 1/2%=5.5%
5.5%=5.5/100=55/1000
55/1000=11/200
the operation:

Gives a square number.
<h3>
How to get a perfect square?</h3>
A perfect square is the product of a number and itself.
As you can see in the example, 16 is a square number. Then let's try to get 16.
To get 16 we can use the difference:
20 - 4
So the first therm needs to be equal to 20, and the second equal to 4.
To write 20 in scientific notation we have:

To write 4 in in scientific notation:

Then the operation:

Gives a square number.
If you want to learn more about square numbers:
brainly.com/question/21694652
#SPJ1
Answer:
x= 35
Step-by-step explanation:
supposing we are finding x, we know that the line in the middle is the dimeter. so we know its a semicircle with an arc of 180 degrees. 180-110=70 divide that by two to get x which is 35.
Answer:
(6)(3)+(18+6x)
Step-by-step explanation:
6 times 3 will give you the area of the table without the extension and the problem says that (18+6x) is the area for the extension. So when you add up the two areas you get the total area!