math
posted by kk .
A composition of the number n is an ordered set of integers a1,a2,…,ak such that a1+a2+⋯+ak=n. The numbers a1,a2,…,ak are called the parts of the composition. Determine the number of compositions of 23 where each part is at least 4.
Respond to this Question
Similar Questions

chemistry
If the arsenic is 76% and oxygen is 24% how would I calculate the chemical composition of of the oc=xide of arsenic that has been formed? 
Maths Please Help
Let A=a1,a2,…,ak and B=b1,b2,…,bj be sequences of positive integers such that a1≥a2≥⋯ak≥1, b1≥b2≥⋯bj≥1, ∑i=1k ai≤6, and ∑j i=1 bi≤6. For how many ordered pairs … 
Math (please help steve)
Brilli the ant is considering the complexities of a 5dimensional universe. She wants to count the number of integer points that are distance n√ away from the origin. Let Tn be the set of ordered 5tuples of integers (a1,a2,a3,a4,a5) … 
math
Brilli the ant is considering the complexities of a 5dimensional universe. She wants to count the number of integer points that are distance sqrt(n) away from the origin. Let Tn be the set of ordered 5tuples of integers (a1,a2,a3,a4,a5) … 
maths
A composition of the number n is an ordered set of integers a1,a2,…,ak such that a1+a2+⋯+ak=n. The numbers a1,a2,…,ak are called the parts of the composition. Determine the number of compositions of 23 where each part is … 
mathsddddddddddddddddddddddddddd
A composition of the number n is an ordered set of integers a1,a2,…,ak such that a1+a2+⋯+ak=n. The numbers a1,a2,…,ak are called the parts of the composition. Determine the number of compositions of 23 where each part is … 
chemistry
Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, … 
Chemistry
Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, … 
Science
Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! 
Music
You will compose a short piece of music using what you have learned in Units 1 and 2. Use the following guidelines for your composition: Your composition should be at least eight measures in length. Your composition should have a key …