subject
Mathematics, 09.08.2021 23:40 dh29229

Dr. Lizardo writes down a sequence of $n$ letters, where each letter is A, B, or C, and the letter A appears an even number of times. How many different sequences could Dr. Lizardo have written down?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Answer this question, only if you know the answer. 30 points and brainliest!
Answers: 1
question
Mathematics, 21.06.2019 20:00
Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line
Answers: 1
question
Mathematics, 21.06.2019 20:30
Acircle has a circumference of 7.850 units. what is its radius?
Answers: 2
question
Mathematics, 21.06.2019 21:30
Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 · 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 · 2 = 12 7 - 4 = 11 or 6 + 3 = 9
Answers: 1
You know the right answer?
Dr. Lizardo writes down a sequence of $n$ letters, where each letter is A, B, or C, and the letter A...
Questions
question
English, 02.12.2021 17:10
question
Spanish, 02.12.2021 17:10
question
History, 02.12.2021 17:10
question
Arts, 02.12.2021 17:10
question
Business, 02.12.2021 17:10
Questions on the website: 13722360