Mathematics, 14.08.2020 05:01 chadatkin

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?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 20.06.2019 18:04, anglebaby559p0nxvi

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

Answers: 1

continue

Mathematics, 21.06.2019 18:00, britney94

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Answers: 1

continue

Mathematics, 21.06.2019 21:20, only1123

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

Answers: 2

continue

Mathematics, 21.06.2019 22:00, Isaiahgardiner5143

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Answers: 3

continue

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...