Prove that there are no solutions in integers x and y to the equation x2 – 5y2 = 2. [Hint: Consider this equation modulo 5.]
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ACIS 2116 Equations to Know for Exam #1: Cost of goods sold (retailer) = beginning inventory + purchases – ending inventory Cost of goods sold (manufacturer): o beginning raw materials inventory + purchases – ending raw materials inventory = amount that goes to WIP o Beginning WIP + requisitioned raw materials (amount that goes to WIP) + direct labor + manufacturing overhead applied – ending WIP = cost of goods manufactured o Cost of goods manufactured + beginning finished goods – ending inventory = cost of goods sold o Cost of goods available for sale = cost of goods manufactured + beginning inventory Prime costs = direct materials + direct labor
Textbook: Discrete Mathematics and Its Applications
Author: Kenneth Rosen
This textbook survival guide was created for the textbook: Discrete Mathematics and Its Applications, edition: 7. Discrete Mathematics and Its Applications was written by and is associated to the ISBN: 9780073383095. The answer to “Prove that there are no solutions in integers x and y to the equation x2 – 5y2 = 2. [Hint: Consider this equation modulo 5.]” is broken down into a number of easy to follow steps, and 25 words. The full step-by-step solution to problem: 8E from chapter: 4.SE was answered by , our top Math solution expert on 06/21/17, 07:45AM. Since the solution to 8E from 4.SE chapter was answered, more than 338 students have viewed the full step-by-step answer. This full solution covers the following key subjects: equation, integers, hint, consider, modulo. This expansive textbook survival guide covers 101 chapters, and 4221 solutions.