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Nicholas Gonzalez & 1 12/01/21 12:34 AM
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= Homework: Sec...
Question 4, 9.3.9-GI
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A radio station runs a promotion at an auto show with a money box with 12 $100 tickets, 12 550 tickets, and 14 $25 tickets. The box contains an additional 20
dummy tickets with no value. Three tickets are randomly drawn. Find the probability that exactly two $100 prizes and no other money winners are chosen.
iscord
The probability that exactly two $100 prizes and no other money winners are chosen is
(Round to four decimal places as needed)
9
oogle
hrome

b i think

step-by-step explanation:

not really sure

im pretty sure it would be 5 am, hope that , and give brainliest and guys if this is right then press the button and give 5 stars

(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