2 years ago

PLS IL GIVE U ALL MY POINTS IF ANSWERED

Mathematics

1 answer:

Advocard [28]2 years ago

7 0

Answer:

The answer is D

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$\frac{1}{5} - \frac{3}{4} = \frac{?}{?}$

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3 years ago

Use an inverse matrix to solve for the system of equations.

IrinaK [193]

Answer:

(-1, 7, 2)

Step-by-step explanation:

we suppose that ax + by + cz = d for the matrix

D = det [ 0 4 7] = 100

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So the solution is:

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have a good day!

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