shannongray23402
05.12.2021 •
Mathematics
I need help!! I do not understand how to solve the following system of equations.
{ 2x-y+4z=33
x+2y-3z=-26
-5x-3y+5z=23
solve using the gaussian elimination or a matrix. if you use a matrix you must write out your original matrix and answer matrix.
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Ответ:
answer 24°
Step-by-step explanation:
two sides are equal so it is isosceles triangle
<BCE+90°+66°= 180
<BCE=24°
now,
<FCA=<BCE (vertical opposite angle)
<FCA=24°