For each of the following problems, you should write your answer as an expression. Do not give the final numeric value. For example, if your answer is the number of 6-permutations of a set with 10 elements, you should write P(10,6) or 10!/4! or 10 × 9 × 8 × 7 × 6 × 5, but not 151200. (10 pt., 5 pt. each) Given the equation v+w+x+y+z = 151, where v, w,x, y, and z are integers, how many different solutions does this equation have if... 4.1 ...all the variables must be positive? 4.2 ...v > 5, w > 10, x> 15, y > 20, and z > 25?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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For each of the following problems, you should write your answer as an expression. Do not
give the final numeric value. For example, if your answer is the number of
6-permutations of a set with 10 elements, you should write P(10,6) or 10!/4! or 10 × 9 × 8 ×
7 × 6 × 5, but not 151200.
Transcribed Image Text:For each of the following problems, you should write your answer as an expression. Do not give the final numeric value. For example, if your answer is the number of 6-permutations of a set with 10 elements, you should write P(10,6) or 10!/4! or 10 × 9 × 8 × 7 × 6 × 5, but not 151200.
(10 pt., 5 pt. each) Given the equation v+w+x+y+z = 151, where v, w,x, y, and z are
integers, how many different solutions does this equation have if...
4.1 ...all the variables must be positive?
4.2 ...v > 5, w > 10, x> 15, y > 20, and z > 25?
Transcribed Image Text:(10 pt., 5 pt. each) Given the equation v+w+x+y+z = 151, where v, w,x, y, and z are integers, how many different solutions does this equation have if... 4.1 ...all the variables must be positive? 4.2 ...v > 5, w > 10, x> 15, y > 20, and z > 25?
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