How many strings of length 12 over the alphabet (a, b, c) have exactly three a's or have exactly three b's or ha c's? O

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answerhappygod
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How many strings of length 12 over the alphabet (a, b, c) have exactly three a's or have exactly three b's or ha c's? O

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How Many Strings Of Length 12 Over The Alphabet A B C Have Exactly Three A S Or Have Exactly Three B S Or Ha C S O 1
How Many Strings Of Length 12 Over The Alphabet A B C Have Exactly Three A S Or Have Exactly Three B S Or Ha C S O 1 (38.3 KiB) Viewed 50 times
How Many Strings Of Length 12 Over The Alphabet A B C Have Exactly Three A S Or Have Exactly Three B S Or Ha C S O 2
How Many Strings Of Length 12 Over The Alphabet A B C Have Exactly Three A S Or Have Exactly Three B S Or Ha C S O 2 (75.54 KiB) Viewed 50 times
How many strings of length 12 over the alphabet (a, b, c) have exactly three a's or have exactly three b's or ha c's? O 3. (3) . 2° O 3. (3) -3.(5) 03. (3) . 2° - 3. (3) O 3. (3) . 29 - 3. (3) . (3)

Each person in a group weighs at least 100 pounds and at most 130 pounds. How large must the group be in order to guarantee that there are at least 2 people whose weights differ by at most 9 pounds? people O 6 people 0 30 people 0 31 people
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