3 years ago

Find element a13 of matrix A, if A=

1 answer:

8 0

$\bf \begin{bmatrix} 2&-3&\boxed{4}\\ 5&0&-6\\ 7&2&-8 \end{bmatrix}\impliedby a_{1,3}\textit{ row 1, column 3}$

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Shkiper50 [21]

{x=2+y
{-6x-6y=-12

-6(2+y) -6y = -12
-12 - 6y - 6y = -12
-12y = -12 + 12
-12y = 0
y = 0

x = 2 + y = 2 + 0 = 2

Answer: x=2, y=0

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3 years ago

elena-s [515]

3+ - 1 I hole this helped

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Inessa [10]

Answer:£24

Step-by-step explanation:

Let the total money be represented by Y

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8= 1/3×Y

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Y= 8×3

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8
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