Question

1) How many permutations of the letters a, b, c, d, e do not contain the...

1) How many permutations of the letters a, b, c, d, e do not contain the string bde.

2) Of any five points chosen within an equilateral triangle whose sides have length 1, show that at least two of them are within a distance of 1/2 of each other.

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
How many permutations of the set {A, B, C, D, E, F, G, H} a) Contain...
How many permutations of the set {A, B, C, D, E, F, G, H} a) Contain the string DEF? b) Contain the strings ABE and EFG? c)Have D next to C? d) Contain the strings DCB and BAD?
1. Consider passcodes that can only contain any letters A, B, C, D, and E and...
1. Consider passcodes that can only contain any letters A, B, C, D, and E and numbers 0, 1, 2, 3, 4. A passcode contains 5 items, and repitition is allowed (a) [1 point] How many passcodes exist where items can be repeated? (b) [1 point] How many passcodes exit where items cannot be repeated? (c) [2 points] How many passcodes contain at least a 5 or an A?
How many permutations of the letters a, b, c, d, e, f, g, h have a...
How many permutations of the letters a, b, c, d, e, f, g, h have a next to b (in either order: ab or ba) and c not next to d?
We have 1,2,3,4,5,6,7,8,a,b,c,d,e,f the numbers and letters are in order. How many permutations (arrangements) are there...
We have 1,2,3,4,5,6,7,8,a,b,c,d,e,f the numbers and letters are in order. How many permutations (arrangements) are there in a way that the order is maintained for numbers and the order is maintained for letters? Explain.
1. How many permutations are there of the letters in the word ​RINSE, if all the...
1. How many permutations are there of the letters in the word ​RINSE, if all the letters are used without​ repetition? 2. In how many distinct ways can the letters of the word SELLS be​ arranged?
Let letters A,B,C,D,E,F,G be used to form strings of length 4. How many strings of length...
Let letters A,B,C,D,E,F,G be used to form strings of length 4. How many strings of length 4 with repetitions contain A and B. How about without repetitions?
Write a basic c++ program to check whether a triangle is valid or not if the...
Write a basic c++ program to check whether a triangle is valid or not if the three sides are given: A triangle is valid if the sum of its two sides is greater than the third side. Let’s say that a, b, c is the sides of the triangle. A valid triangle must satisfy all these conditions: a + b > c a + c > b b + c > a (2 points) Generate random numbers 1-15 inclusive for...
Consider mini-alphabet made of just letters {a, b, c, d, e}. How many “words” (i.e., strings...
Consider mini-alphabet made of just letters {a, b, c, d, e}. How many “words” (i.e., strings of letters from that alphabet, whether they correspond to meaningful words or not) are there of length n, for n≥1 ? Use mathematical induction to prove your answer.
Circular Permutations and Permutations with Similar Elements 1) In how many ways can three people be...
Circular Permutations and Permutations with Similar Elements 1) In how many ways can three people be made to sit at a round table? 2) In how many ways can three couples be seated at a round table, so that men and women sit alternately? 3) In how many ways can five keys be put on a key ring? 4) Find the number of different permutations of the letters of the word MATHEMATICS. 5) How many different ways can three pennies,...
Do each of the following. a) How many ternary strings of length 20 contain at least...
Do each of the following. a) How many ternary strings of length 20 contain at least four 1s? (Hint: A ternary string consists of 0s, 1s, and 2s.) b) How many ternary strings of length 20 contain exactly four 1s?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT