1100.64 = 632.17a - 121.45b + TE 1431.09 = 121.45a +632.17b + TN 1678.39 = 355.20a + 642.07b + T 254.15=-642.07a +355.20b + TN (b) The simultaneous solution of the above four equations yields the following: a = 1.11964 b = 1.16285 T=534.07 TN = 559.99

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 75E
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please explain, how do you get the results of a, b, TE, TN like that?

1100.64 = 632.17a – 121.45b +T.
|
1431.09 = 121.45a + 632.17b +T,
%3D
N
1678.39 = 355.20a + 642.07b +T
254.15 = -642.07a +355.20b + T
N
(b) The simultaneous solution of the above four equations yields the
following:
a = 1.11964
b = 1.16285
T= 534.07
%3D
E
T = 559.99
%3D
N
Transcribed Image Text:1100.64 = 632.17a – 121.45b +T. | 1431.09 = 121.45a + 632.17b +T, %3D N 1678.39 = 355.20a + 642.07b +T 254.15 = -642.07a +355.20b + T N (b) The simultaneous solution of the above four equations yields the following: a = 1.11964 b = 1.16285 T= 534.07 %3D E T = 559.99 %3D N
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