Step-by-step explanation:
Find the unit rate of each pair of socks for the dozen. 12/9=1.3333
so then multiply 18 by 1.33 to get 23.92. So you could sell the 18 pair pack of socks for anything less than $23.92
Hope this helps ^-^
To solve that question we can think by the following way:
- The first letter can be any of the letters (A, C, T or G). Therefore there are 4 possibilites.
- To choose the second letter of the sequence, any letter also can be chose. So, one more time, there are 4 possibilites.
Using the fundamental principle of counting, we will find out that can be formed 
differents sequences (for example, AA, AG, TT, TG, CT...).
Know we know that, we can generalize. If I have 
elements and I must choose one of them 
times to do a sequence, the total number of sequence that I can form will be 
.
In our question, we want to know how many DNA sequence are exactly 29 letters long. As indicated above, the answer for that is 
(29 times) 
.
Therefore, there are 
DNA sequences with exactly 29 letters long.
I hope I've helped you. =D
Enjoy your studies. \o/
Answer:
Yes Ben is correct
Step-by-step explanation:
For example:
If n² is the greater of the two consecutive square numbers, then the difference will be 2n-1. So for example, if you have two consecutive squares with the values of 25, and 36, their difference will be 11. Notice though that 11=2×6–1, so it conforms to 2n-1.
Answer: B) 100 mi I hope this helps you with your stuff ! bush’s
