4. Help me solve 2 -1 7-3 -810 a0 b04. The reduced row echelon form of 10 24is 0 1 c0d 0Which of the fol--2 -180 0 01elowing is the value of a + b+ c +d+ e?(a) –6(b) 4(c) 6(d) -4

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Answered: 2 -1 7 -3 -8) 1 0 a0 b0 4. The reduced…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section9.1: Systems Of Equations

Problem 36E

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In a group of 5-85 students, 35 people play basketball, 42 people play football and 26 people play tennis. The number of people who only play basketball and football is twice that of those who only play tennis and basketball. The number of people who only play tennis and football is three times that of basketball and tennis alone. 5 people play all three. 4 people do not play any of these games. So how many students are there who only play tennis?A) 17B) 13C) 7D) 5E) 9
Using elementary row operations show that a+2 b+2 c+2 x+1 y+1 z+1 =0. 2x−a 2y−b 2z−c
2 -3 1 Find the basic for the row space and the dimension for M = 5 10 6 8 -7 5
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[1 2 4 = -3] [2 7 15= -12] [4 7 13= -10] Solve for reduced echelon form So far my answer is this but I am stuck: [1 2 4 = -3] [0 3 7 = -6] [0 5 5 = -1] Can you subtract and multiply from a different rows? Instead of adding and multiply different rows?for example 2r1-r2=R2; 3r2-r1=R2
a) Find the points of intersection between −4x − 8y = 2 and 2x = 8 − 4y.b) Find the points of intersection between 3(x−3y)=2y and 2x+5=5−7y.
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3(2d-1) - 2d = 4(d-2) + 5
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2 -1 7 -3 -8) 1 0 a0 b0 4. The reduced row echelon form of 1 2 4 9. is 0 1 c 0 d 0 Which of the fol- 2 2 -2 -1 0 0 0 le lowing is the value of a +b+c+d+e? (а) -6 (b) 4 (c) 6 (d) -4