Answer: The answer is 27600 and 35152.
Step-by-step explanation: Given that the call letters of a radio station must have 4 letters and the first letter is one of K or W. We are to calculate the number of call letters that can be made if repetition is allowed and not allowed.
If repetition is not allowed, then we can choose the first letter in 2 ways, second letter in 25 ways, third letter in 24 ways and fourth letter in 23 ways. So, the total number of call letters will be
![N_{rna}=2\times 25\times 24\times 23=27600.](https://tex.z-dn.net/?f=N_%7Brna%7D%3D2%5Ctimes%2025%5Ctimes%2024%5Ctimes%2023%3D27600.)
If repetition is allowed, then we can choose the first letter in 2 ways, second letter in 26 ways, third letter in 26 ways and fourth letter in 26 ways. So, the total number of call letters will be
![N_{ra}=2\times 26^3=35152.](https://tex.z-dn.net/?f=N_%7Bra%7D%3D2%5Ctimes%2026%5E3%3D35152.)
Thus, the required answer is 27600 and 35152.
Answer:
20% increase
Step-by-step explanation:
I am just talking to answer but yes I am sure
The number that appears the most on a number plot
To find the area of the shape, you can split the shape into 2 shapes, a rectangle and a triangle. The area of a rectangle is A=l x w and the area of a triangle is A=1/2 bh. The are of the rectangle is 200 since 20 times 10 is 200. The area of the triangle is 20 times 4 divided by 2. The area of the triangle is 40. Add both areas to get the total are of 240. The area of the shape is 240.
Answer:
What do you have to do what is the question asking
Step-by-step explanation: