Answer: Crystal City in the county of Arlington, Virginia, 5 miles south of Downtown Washington.
Explanation:
Before it was renamed to Ronald Reagan Washington National Airport in 1998 to celebrate President Ronald Reagan, it was just called Washington National Airport.
I feel like you just copied and pasted but do you have a picture to explain this?
Answer:
: Phát hiện và chữa lỗi dùng từ. 1.Lúc sinh thời ông thích uống rượu và thưởng hoa cùng
Explanation:
Answer:
The left side of the equation will result in a rational number, which could be a non-perfect square.
Explanation:
According to the Pythagorean theorem, the sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse.
Take 

As
,
Here, 29 is not a perfect square.
So, c is irrational.
If a is a rational number and b is a rational number, c could be an irrational number as the left side of the equation will result in a rational number, which could be a non-perfect square.