Which situation below has a negative correlation?
group of answer choices

the more a student studies, the higher the test grade.

the younger the child, the smaller the shoe size.

the longer you exercise, the more you sweat.

the younger the child, the more sleep they need.

Which situation below has a negative correlation?

The younger the child, the more sleep they need.

*100% CORRECT ANSWERS (SEE ATTACHMENTS)

the statemwnt is the company makes small and large snow cone cups.

large=it holds more then the small

small=it holds less then the large

(b) 240

step-by-step explanation:

first, we use the pythagorean formula using the given side lengths to find x. then we use x to find the side lengths. then we add the side lengths to find the perimeter.

pythagorean theorem formula:

a^2 + b^2 = c^2

(x - 20)^2 + (x - 40)^2 = x^2

x^2 - 40x + 400 + x^2 - 80x + 1600 = x^2

x^2 -120x + 2000 = 0

(x - 100)(x - 20) = 0

x - 100 = 0 or x - 20 = 0

x = 100 or x = 20

we see that the solution x = 20 must be discarded because it will give a negative side length and a side length of 0. the only valid solution is x = 100.

perimeter = sum of the lengths of the sides

perimeter = x + x - 20 + x - 40

perimeter = 3x - 60

replace x with 100.

perimeter = 3(100) - 60

perimeter = 300 - 60

perimeter = 240