6) y= -x -7 -i)4 = 3x +5 -ài)a)2x + 3%3Dy = 4x -) -ài,%DBubci) from ilcis from ei)Sub= 4n - 1= 3x +5= -X -7O = 2n-46 = 4x +122n = 44n =- 12n= 2K= -3Putini)Put n=-3 in eg u)Y = -(-3) - 7Y = -4= 2 x2+ 3%3DPoint of inter section(2,7)point d inkisechon (-3,-4)(c) y=Ix -2 i)%3Dn + 3BubBrom ujeg i)= Lx - 23 u + 3Put n= 20In(n tay = {(-20) - 2 y= -122= - 20Point of inkraechion3 subparts of Į question are allowed(-20,-12)

Answered: Image /qna-images/answer/e6b97cf2-2c63-4913-9088-79b04ae4fab0.jpg

Answered: b) y = -x -1 -u) 4 = 3x +5 -ài) a) 2x…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter6: Linear Systems

Section6.2: Guassian Elimination And Matrix Methods

Problem 84E: Explain the differences between Gaussian elimination and Gauss-Jordan elimination.

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The data file includes the text of three books of the Bible (Joshua, Jonah and Philippians) using the ESV translation. While these are all great books, our only interest for this project is how often each letter is used. 3) Identify those letters whose Cls do not overlap with any the CIs of any of the other letters. (For example the CI [0.042, 0.052] overlaps with [0.050, 0.060] because the upper bound of the first CI is greater than the lower bound of the second CI.) List the letters with the non-overlapping Cis and specify how many such letters there are Question 3 answers: Letters Lower bound Upper bound L 0.037072109 0.042042 D 0.043728076 0.049092 E 0.11621383 0.12451 4) The previous analysis could be useful if our goal was to decipher an encrypted message, where each letter is scrambled (for example, each “a” might become a “g”, while each “b” might become an “o” and so forth). a) Assume that the letter “z” in encrypted message has a relative frequency of 0.06…
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