How many four-letter code words are possible using the letters in IOWA if, (a)The letters may not be repeated? (b)The letters may be repeated?

Q: In how many ways can the letters of the word HORRAR be arranged if vowels are together?

A: Given information- We have given the letters of the word- HORRAR We have to find a number of ways to…

Q: Is it okay if I say "not all cookies are baking?" I think I have to have the word "not" in my andwer

A: To write the negation of Some cookies are baking.The negation of word ''some'' is ''not all''.

Q: At one point, license plates in a certain state consisted of 2 letters (excluding I, O, Q, and W),…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: How many different 4-letter radio-station call letters can be made   if the first letter cannot be…

A: Given: 4- letter radio-station call letter has to be made with first letter should not be A, B or C…

Q: How many ways can you arrange all the

A: here in word "COVID" total 5 letters  2 are vowel I,O

Q: Suppose that license plates in a certain municipality come in two forms: two letters (A … Z)…

A: License plates in a certain municipality comes in two forms:two letters followed by two digits or…

Q: Consider four-letter words to be formed by using the letters: q, w, e, r, t, y, x How many different…

A: We have to find the number of possible four-letter words using the letters q,w,e,r,t,y,x.

Q: How many three-letter "words" can be made from 5 letters "FGHIJ" if repetition of letters (a) is…

A: Given5 letters is "FGHIJ"No.of letters = 5

Q: Your school locker has a dial with 50 numbers which required 3 numbers to open.  (It is not a…

A: Your school locker has a dial with 50 numbers which required 3 numbers to open. (It is not a…

Q: In a group of people, 68 people can speak English, 45 people can speak in Arabic and 19 people can…

A: It is given that 68 people can speak English, 45 people can speak Arabic and 19 people can speak…

Q: How many ways can all of the letters in the word RHINO be arranged to form five​-letter

A: For the given question, we to find the  ways can all of the letters in the word RHINO be arranged to…

Q: How many three-letter "words" (some may be nonsense words) can be made from 4 letters "FGHI" if…

A: Permutation and combination used to calculate the number of possible ways to arrange or select a…

Q: How many different four letter secret codes can be formed if the first letter must be an S or a T ?

A: The experiment is to form four-letter secret codes. The condition is the first letter must be an S…

Q: 4.) Mr. Mitchell lost 10 pounds over the summer by jogging each week. By winter time, he had gained…

A: In equation we are equating two sides left hand side and right hand side. It contains variable,…

Q: To use an automated teller machine at a certain bank, you must enter a 4-digit code, using the…

A: Total available numbers = 9 To make 4 digit code

Q: assume that you are trying to transmit a secret code using 3 letter words. if only 5 letters of the…

A: Given only 5 letters of the alphabet can be usedNO.of alphabets =5No.of words should be in secret…

Q: An exam contains five ​"true or​ false" questions. In how many different ways can the exam be​…

A: By the fundamental counting principle, the number of ways to happens more than one independent event…

Q: Many banks require customers who use the automated teller machine (ATM) to enter a four-digit…

A: ATM machine needs four digit password before transaction.  digits : {0,1,2,3,4,5,6,7,8,9} digits can…

Q: How many different 10-letter words (real or imaginary) can be formed from the following letters? Q,…

A: Given that  Number of letters = 10 Letters  =  Q , L , Q , U , A , L , L , A, R , W Number of times…

Q: If n(A ∪ B) =113, n(B) =62, and n(A ∩ B) =44, what is n(A)? (Enter answer as a whole number)

A: Given,1136244We have to find Using formula,

Q: The company has agreed on an 8 character password format, comprised of upper case letters , lower…

A: