juliyawn9846 juliyawn9846
  • 26-01-2018
  • Mathematics
contestada

How many different 99-letter permutations can be formed from 77 identical h's and two identical t's?

Respuesta :

LammettHash
LammettHash LammettHash
  • 27-01-2018
Assuming "99" and "77" are actually 9 and 7,

[tex]\dfrac{9!}{7!2!}=36[/tex]
Answer Link

Otras preguntas

Below is an online thesaurus entry for the word sorry. Definition 1. feeling or expressing regret for an action 2. feeling or expressing sympathy or empathy 3.
A frog leaps vertically into the air and encounters no appreciable air resistance. A. On the way up its acceleration is 9.8 upward, and on the way down its acce
Describe pros and cons of genetic engineering to modify food and in-vitro fertilization.
Science is influenced by all of the following except A. Astrology concerns B. Political concerns C. Economic concerns D. Social concerns i'm guessing it's B,
Of the molecules AlCl3 and AlBr3 , which has bonds that are more polar?
The table shows how the height of a stack of DVDs depends on the number of DVDs. What is a rule for the height? Number of DVDs Height (cm) 2 18 3 27 4 36 n ? A.
.) Calculate the mass in grams of each of the following samples. a.) 0.251 mole of ethyl alcohol , C2H6O
Write a balanced equation for the reaction between nitric acid and lithium carbonate .
Specialization of science reinforced the professionalization of science. true or false
Which of the following structures is not part of the central nervous system? A. The brain B. A nerve C. The spinal cord D. A tract