Using two of the letters of the​ alphabet, how many two​-letter codes can we form if we are allowed to use the same letter more than​ onc

Q: 10. Secret Code Word How many 4-letter code words can be made using the letters in the word pencil…

A: From given information,Let the sample be –Sample = (P, E, N, C, I, L)Four letter word code can be…

Q: Telephone area codes are three-digit numbers. The first digit is not 0 nor 1. How many three-digit…

A: The number of digits in Telephone are 3.

Q: DNA sequences have an alphabet {A,C,G,T}. How many DNA sequences of length n are there? (Two DNA…

A: given, DNA sequence have an alphabet { A,C,G,T } we have to find how many DNA sequence of length n…

Q: The serial number on a new twenty-dollar bill consists of two letters followed by seven digits and…

A: Given, The serial number on a new twenty-dollar bill consists of two letters followed by seven…

Q: By hand please. show step-by-step: A group of four students is to be chosen from a 35-member class…

A: Given data: Total student = 35 4 = students to be chosen To find: How many ways can this be done?

Q: The serial number on a new twenty-dollar bill consists of two letters followed by nine digits and…

A: We have given the serial number on a new twenty-dollar bill consists of two letters followed by nine…

Q: A restaurant offers a special pizza with any 6 toppings. If the restaurant has 17 topping from which…

A:

Q: 3) Allowing digits and special characters creates an enormous number of passwords. However,…

A: Introduction: Considering the lower- and upper-case alphabets to be two different characters, total…

Q: Two-digit natural numbers are formed, with replacement, from the digits 0 through 9.How many numbers…

A: To form two digit natural numbers the first digit can be chosen from 1 to 9 (as tens place cannot be…

Q: men. How many ways are there to chc en?

A:

Q: How many different pizza’s can somebody order if he orders a pizza with either 2 or 3 toppings.…

A: It is given that there are 25 different toppings to choose from. n=25

Q: Using only the digits { 1, 2, 3, 4, 5, 6} how many three digit numbers can be formed under the…

A: The first digit has 4 options which are, 1, 2, 3, 6. The second digit can have 5 options (one option…

Q: how many ways can you put salt , pepper and salt in 3  differnt  plates

A: Salt , Pepper and salt - 3 items                             _  _  _             - 3…

Q: In how many ways can the world " mount " be arranged

A: The given word is ‘mount’.

Q: 2. (Polya's Method). In how many ways can you answer a 12-question true-false test if you answer…

A: Polya's method has 4 step  Step 1 : Understanding the problem Step 2 : Devise a Plan Step 3: Carry…

Q: Using the 26 uppercase letters of the English alphabet: (a) How many 21-letter words contain the…

A: (a) SOMETIME → 8 letterstwice of SOMETIME →2 x 8 = 16 lettersWe have to make 21 letter words21-16 =…

Q: In.how.many.ways can four aces be drawn from a deck of cards? (Order is not important.) x way(s)…

A:

Q: The serial number on a bill consists of a letter followed by nine digits and then a letter. How many…

A: Given that the serial number on a bill consists of a letter followed by nine digits and then a…

Q: How many total ways can we form a 3-number password or a 5-number password using the numbers for the…

A: If a number is not divisible by 2, then it is called an odd number. Let m choices to be made with n1…

Q: How many two-digit numbers can be formed using the digits from 1 to 32 Repeated digits are allowed…

A: We have find two digits number..

Q: Forming Codes How many different three-letter codes arethere if only the letters A, B, C, D, and E…

A: Number of three letter codes using A,B,C,D,E

Q: Password   1. How many 6 character passwords are there which have exactly one letter m? 2. What…

A: To find how many 6 character passwords are there which have exactly one letter 'm' Since the…

Q: A person has to create a code. The code must contain exactly 6 letters. The first letter must be a…

A: There are five vowels A,E,I,O,U and 21 consonants. The first letter has 3 options (A,O,U) to choose…

Q: A 4-Letter code to be formed using all the letters of the word HISTORY How many of these different…

A: No.of letters in the word " HISTORY " is 7

Q: 1. A student found 8 Mathematics books in the library. The library rules permit him to check out…

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Q: A researcher has recruited 5 volunteers for a study. Each volunteer will be assigned to one of 5…

A:

Q: 1. Three-digit numbers (a) How many repeating three-digit numbers can be formed using the numbers…

A:

Q: Ordering a pizza with thick crust or thin crust with à choice of ham, bacon, sausage, or mushrooms…

A: (As per bartleby guidelines, for questions containing multiple subparts, only first three subparts…

Q: TOPIC: Permutation How many ways can the letters of the word “FRIEND” be arranged so that the…

A:

Q: many ways can six subjects be selected from 10 subject for an

A: Concept: The selection of elements without arrangement can be represented by a combination of…

Q: 10. Using the digits 2, 4, 6, 7 and 9, how many five-digit numbers can be formed if the number is…

A: Solve by p and c

Q: The serial number on a bill consists of a letter followed by nine digits and then a letter. How many…

A:

Q: A password for a website consists of 5 characters. The first 2 characters are digits. Theother 3…

A: The first two characters of the password are digits and the last 3 characters are uppercase letters.…

Q: A donuts shop caries 8 different types of donuts. How many donuts the shop needs to guaranty that…

A: Here we have to go for the worst possible case.

Q: TOPIC: Permutation How many four-digit numbers can be formed from the digits 1, 2, 6, 8, 9 if: A.…

A:

Q: Number of ways you can pick a password of 5 letters with all different letters. a. Permutation b.…

A: See the handwritten solution

Q: license plate number consist of a letter , followed by 3 single digit numbers,followed by 2 more…

A: Given that - license plate number consist of a letter , followed by 3 single digit numbers, followed…

Q: Four soups, five entrees, and four desserts are listed on the ''Special'' menu at the Neptune…

A: We have four soups, five entrees and four desserts. We have to make selections consisting of one…

Q: Fibonacci numbers is true or false 2Fn + 4 = Fn+3 For n ≥ 3

A: 2(Fn+4)=Fn+3 , For n≥3 Therefore the statement is "FALSE"

Q: a) A user's password to access a computer system consists of four digits followed by five lowercase…

A:

Q: Answer permutation problem completely. Show complete solution. How many 4-digit numbers can be…

A:

Q: . PERMUTATIONS How many 3-digit numbers can be formed from 3 one’s, 3 two’s, and 2 three’s?

A:

Q: Uning the digits 5, 6, 7, 8. How many 4 digit numbers can be formed (Repetition not allowed).

A: Given that  Four digits 5,6,7,8 we have to form 4 digit number using these numbers

Q: Using the digits   1, 2, 3 and 5, how many four-digit numbers can be formed if the number is ODD and…

A: Given information: 1. The given number is 4 digit. 2. The given number is odd.   3. The digits do no…

Q: 5 -letter words" are formed using the letters A, B, C, D, E, F, G. How many such words are possible…

A: Given: To explain the given statement as follows,

Q: Two-digit natural numbers are formed, with replacement, from the digits 0 through 9. How many…

A: Given that two-digit natural numbers are formed, with replacement, from the digits 0 through 9. So…

Q: utility bill will be reduced by at least one - i) form of five installations l at least four of five…

A: Given: p=0.60 n=5

Q: Forming 3-digit numbers from the digits 1, 2, 3, 4, and 5, if repetition is allowed; if repetition…

A: Given that there are 5 numbers 1, 2, 3, 4, 5. And given that if repetition is allowed: Then the…

Q: Five books to be put on the shelf in how many ways do we choose the first and the last

A: Given : Five books to be put on the shelf . ways for we choose the first and the last

Q: Morse Codes The International Morse code is a way of transmitting coded text by using sequences of…

A: The coded texts are transmitted by using sequences of on/off tones. Here, each segment is either a…