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melamori03 [73]
3 years ago
7

Hi please help which one is it don't do this "just for points" i need the correct answer

Mathematics
1 answer:
klasskru [66]3 years ago
5 0

Answer:

you can add to eliminate the x

Step-by-step explanation:

because two x values have the same coefficient, and also the first equation is already negative so by adding them you can eliminate the x variable, then you can find the value of y.

Hope that helps.

God bless.

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Answer:

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Step-by-step explanation:

Use the wording to do this:

y = (p+q)² - 5

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Step-by-step explanation:

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If A is an n× n matrix, then det A = det AT . Verify this theorem for 2 × 2 matrices.
Bond [772]

Answer:

Verified

Step-by-step explanation:

Let A matrix be in the form of

\left[\begin{array}{cc}a&b\\c&d\end{array}\right]

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Matrix A transposed would be in the form of:

\left[\begin{array}{cc}a&c\\b&d\end{array}\right]

Where we can also calculate its determinant:

det(AT) = ad - bc = det(A)

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4 0
3 years ago
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marishachu [46]
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4 0
4 years ago
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