Question

How many different letters and characters can be coded in Braille if at least 4 dots...

How many different letters and characters can be coded in Braille if at least 4 dots must be raised?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A computer password can be 5 - 6 characters. The password must contain at least 1...
A computer password can be 5 - 6 characters. The password must contain at least 1 digit. All other characters must either be digits or lower case letters. How many unique passwords exists?
1) Assume that a password can contain upper and lower-case letters (26), digits, and special characters...
1) Assume that a password can contain upper and lower-case letters (26), digits, and special characters from the set { !, #, $, %, &, * }. Furthermore, each password must start with a letter and must contain at least one digit and one special character. How many different six-character passwords can be formed according to this specification?
How many different 4-letter radio station call letters can be made if thr first letter must...
How many different 4-letter radio station call letters can be made if thr first letter must be K or W, repeats are allowed, but the call letters cannot end in an O?
How many different 4​-letter radio station call letters can be made a.  If the first letter...
How many different 4​-letter radio station call letters can be made a.  If the first letter must be K, Z, or P and no letter may be repeated b.  if repeats are allowed​ (but the first letter is K, Z, or P​)? c.  How many of the 4​-letter radio station call letters​ (starting with K, Z, or P) have no repeats and end with the letter J​?
a password must be 4 characters long and contain only digits and lowercase english letters. The...
a password must be 4 characters long and contain only digits and lowercase english letters. The english alphabet contains 5 vowels. Assuming that digits and letters can be repeated how many differnt passwords contain exactly one vowel? enter the exact numeric number
How many passwords of 5 characters can be made if each password must start with two...
How many passwords of 5 characters can be made if each password must start with two digits and end with three letters. The digits will be with replacement and the letters will be without replacement.
A computer password consists of six characters. 36a. How many different passwords are possible if each...
A computer password consists of six characters. 36a. How many different passwords are possible if each character may be any lowercase letter or digit, and at least one character must be a digit? Please enter your result in scientific notation, making sure the answer in the left box is between 1 and 10. 36b. A computer system requires that passwords contain at least one digit. If six characters are generated at random, and each is equally likely to be any...
How many ways are there to select 6 different letters out of 26 letters of the...
How many ways are there to select 6 different letters out of 26 letters of the alphabet? 2. How many strings of 6 letters are there – if the letters cannot be repeated? 3. How many strings of 6 letters are there – if the letters can be repeated?
State license plates must be 6 characters (0-9, A-Z) in length, and characters can be used...
State license plates must be 6 characters (0-9, A-Z) in length, and characters can be used more than once. How many license plates can be made if you must start with 2 letters, then 4 numbers?
Determine how many different computer passwords are possible if (a) the digits and letters can be...
Determine how many different computer passwords are possible if (a) the digits and letters can be repeated, and (b) if the digits and letters cannot be repeated. i. 4 digits followed by 2 letters ii. 5 digits followed by 1 letter. iii. 3 digits followed by 3 letters