Looking at this problem in terms of geometry makes it easier than trying to think of it algebraically.
If you want the largest possible x+y, it's equivalent to finding a rectangle with width x and length y that has the largest perimeter.
If you want the smallest possible x+y, it's equivalent to finding the rectangle with the smallest perimeter.
However, the area x*y must be constant and = 100.
We know that a square has the smallest perimeter to area ratio. This means that the smallest perimeter rectangle with area 100 is a square with side length 10. For this square, x+y = 20.
We also know that the further the rectangle stretches, the larger its perimeter to area ratio becomes. This means that a rectangle with side lengths 100 and 1 with an area of 100 has the largest perimeter. For this rectangle, x+y = 101.
So, the difference between the max and min values of x+y = 101 - 20 = 81.
Answer:
Step-by-step explanation:
Arc length =
where x is the angle
∴ For this question, the arc length is:
Arc length 
Arc length =
Answer:
umm what
Step-by-step explanation:
Answer:
27 years old
Step-by-step explanation:
So if they are 9 years old you can do 36 minus 9. You get 27. And it said the Ages combined, so if we combine/plus 27 and 9 then you get 36.
True my gurl also memes are cool