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3 years ago

Blah blah blah Help me please!!!

Mathematics

2 answers:

Maslowich3 years ago

7 0

Answer:

x = 0, y =-2

Step-by-step explanation:

The Solution is where the two graphs touch each other.

infintely many solutions meana the graphs touch each other all the time

No Solution means the graphs dosent touch each other at all.

Roman55 [17]3 years ago

3 0

Answer:

Step-by-step explanation:

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44 is the same as 113 more than w

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Answer:

Step-by-step explanation:

44=113+w

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2 years ago

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Find the sum: (6a + 6) + (3x - 2) + (2a + 4)

Cerrena [4.2K]

Answer:

8a + 3x + 8

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3 years ago

Cramer's rule:

Irina18 [472]

Answer:

$a. \quad\dfrac{\left|\begin{array}{cc}148&14\\246&5\end{array}\right|}{\left|\begin{array}{cc}-2&14\\3&5\end{array}\right|}=52$

Step-by-step explanation:

To find the value of x, Cramer's rule says you replace the x-coefficients with the equation constants to form the matrix whose determinant is the numerator of the fraction. The denominator is the determinant of the matrix of coefficients. The equation constants are 148 and 246, so you expect to find those in the first column of the numerator (answer choices A and C).

$\dfrac{\left|\begin{array}{cc}148&14\\246&5\end{array}\right|}{\left|\begin{array}{cc}-2&14\\3&5\end{array}\right|}=\dfrac{-2704}{-52}=52$

The calculation is carried out correctly only in answer choice A.

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3 years ago