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NathanFrase6770
11.01.2021 •
Mathematics
Solve the system of linear equations, using the Gauss-Jordan elimination method. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions, express your answer in terms of the parameters t and/or s.) x1 2x2 8x3
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Ответ:
Infinitely solution exists,
Required solution is,![(x_1,x_2,x_3)=(0, 4(1-t),t)](/tpl/images/1026/2483/980a4.png)
Step-by-step explanation:
We have the given equations:
Here, the augmented matrix is :
Now, find the echelon form of the augmented matrix.
Therefore,![x_1=0](/tpl/images/1026/2483/14c97.png)
Let
, then the required solution is
Ответ:
The relationship between <7 and <8 can be said to be vertically opposite angles. They are equal to one another and formed by the intersection of two straight lines. i.e. the intersection of lines C and D.
The special angles created by the intersection of lines C and D can be used to solve for y because they all are inter woven and connected to one another either supplemtarily or by being vertically opposite angles.
5y - 29 = 3y + 19( vertically opposite angles)
5y - 3y = 19 + 29
2y = 48
y = 48/2
= 24.
<7 = <8
<7 + 5y - 29 = 180°( angles on a straight line)
<7 = 180° + 29 - (5 × 24)
= 209 - 120
<7 = 89°
<8 = 89° (vertically opposite angles)