للحذف 4- حل النظام الخطي بطريق كاوس – جورن * 2х + 3у-z %3D 5 4x + 4y – 3z = 3 -2х+ 3у -z = 1
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- I. Determine if solving the problem needs permutation or combination.Then, show the working equation.1. In how many ways can you invite one or more of your five friends in aparty?2. A certain company will hire 7 men and 4 women. In how many ways can thecompany choose from 9 men and 6 women who qualified for the position?3. In how many ways can you form a four-letter word that can have repeatingconsonant but not vowel?Find numbers a and b such that ax + by =(9, -1, 10), where x =(3, -1, 0) and y =(0, 1, 5). Is there more than one solution?One of your duties is the selection and disposal of boxes of obsolete files. According to regulations, ordinary files become obsolete after 24 months, confidential files after 36 months and classified files after 48 months. Which of the following boxes of files can be disposed of: A box containing ordinary files dated 26 months ago and classified files dated 34 months ago. A box containing ordinary files dated 38 months ago and confidential files dated 28 months ago.
- how many intergers solutions to x1 + x2 + x3 + x4 = 29 are there for which x1 ≥ 5, x2 ≥ 2, x3 ≥ 6 and x4 ≥ 5?A system consist of 4 component in serial, if the 1st component reliability is 80%, 2nd component is 85%, 3rd component is 75%, what is the 4th component reliability that make the system reliability equal to 51%. (Write your answer in% term for example 50% * without space)If I have 4 classes today, and I spend 1 hour in each class (1st period 8:00-9:00, 2nd period 9:10-10:00, 3rd period 10:20-11:20, 4th period 11:30-12:30) but today we have a 2 hour late start. How long do I spend in each class?
- 2- please I want solution of all sub-parts on an urgent basis. Many thanksDetermine the general solution for each given higher order di erential equation or particular solutionfor a given IVP or BVP.A license plate is to consist of two letters followed by four digits. Find the number of license plates possible if the first letter cannot be Z, and repetition is permitted.