Divide 20 by 100 whixh equals .2, that gives us 1%. Now do .2×20 to get 20%. so 20% of 20 is 4, meaning 4 shirts are medium sized.
Answer:
![Probability = \frac{1}{9}](https://tex.z-dn.net/?f=Probability%20%3D%20%5Cfrac%7B1%7D%7B9%7D)
Step-by-step explanation:
Given
Toppings: Pico de gallo, Onions and Steak
Required
The probability of getting Onions and Steak
The probability is calculated using:
--- because the events are independent
![P(Onion) = \frac{n(Onion)}{Total}](https://tex.z-dn.net/?f=P%28Onion%29%20%3D%20%5Cfrac%7Bn%28Onion%29%7D%7BTotal%7D)
![P(Onion) = \frac{1}{3}](https://tex.z-dn.net/?f=P%28Onion%29%20%3D%20%5Cfrac%7B1%7D%7B3%7D)
![P(Steak) = \frac{n(Steak)}{Total}](https://tex.z-dn.net/?f=P%28Steak%29%20%3D%20%5Cfrac%7Bn%28Steak%29%7D%7BTotal%7D)
![P(Steak) = \frac{1}{3}](https://tex.z-dn.net/?f=P%28Steak%29%20%3D%20%5Cfrac%7B1%7D%7B3%7D)
So, we have:
![Probability = P(Onion)\ and\ P(Steak)](https://tex.z-dn.net/?f=Probability%20%3D%20P%28Onion%29%5C%20and%5C%20P%28Steak%29)
![Probability = P(Onion)\ *\ P(Steak)](https://tex.z-dn.net/?f=Probability%20%3D%20P%28Onion%29%5C%20%2A%5C%20P%28Steak%29)
![Probability = \frac{1}{3} * \frac{1}{3}](https://tex.z-dn.net/?f=Probability%20%3D%20%5Cfrac%7B1%7D%7B3%7D%20%2A%20%5Cfrac%7B1%7D%7B3%7D)
![Probability = \frac{1}{9}](https://tex.z-dn.net/?f=Probability%20%3D%20%5Cfrac%7B1%7D%7B9%7D)
Answer:
false
Step-by-step explanation:
Answer:
![4x^2-20x+25](https://tex.z-dn.net/?f=4x%5E2-20x%2B25)
Step-by-step explanation:
![(2x-5)^{2} \\(2x)^2+2(2x)(-5)+(-5)^2\\4x^2-20x+25](https://tex.z-dn.net/?f=%282x-5%29%5E%7B2%7D%20%5C%5C%282x%29%5E2%2B2%282x%29%28-5%29%2B%28-5%29%5E2%5C%5C4x%5E2-20x%2B25)