3 years ago

4k – 6 = -2k – 16 – 2

Mathematics

1 answer:

Nesterboy [21]3 years ago

3 0

K is equal to negative two

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Xelga [282]

Answer:

$y = \dfrac{1}{2}x-4$

Step-by-step explanation:

<h2>Equation of line in slope y-intercept form:</h2>

$\sf slope = m =\dfrac{1}{2}\\\\Point (2, -3) ; x_1 = 2 \ \& y_1 = -3\\\\\boxed{\bf y - y_1 =m(x -x_1)}$

$\sf y - [-3] = \dfrac{1}{2}(x - 2)\\\\y + 3 = \dfrac{1}{2}x - 2*\dfrac{1}{2}\\\\y + 3 = \dfrac{1}{2}x-1\\\\$

$\sf y = \dfrac{1}{2}x - 1 - 3\\\\ y =\dfrac{1}{2}x-4$

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2 years ago

Solve: 8x2 + 3x = -7

Agata [3.3K]

Answer: PEMDAS

8•2 = 16

16+3x = -7

-3 -3

16 + x = -10

-16 -16

X= -26

Step-by-step explanation:

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3 years ago

Which matrix represents the system of equations shown below? 2x-y=-6 and x-6y=13

dezoksy [38]

Answer: D

<u>Step-by-step explanation:</u>

The first matrix contains the coefficients of the x- and y- values for both equations (top row is the top equation and the bottom row is the bottom equation. The second matrix contains what each equation is equal to.

$\begin{array}{c}2x-y\\x-6y\end{array}\qquad \rightarrow \qquad \left[\begin{array}{cc}2&-1\\1&-6\end{array}\right] \\\\\\\begin{array}{c}-6\\13\end{array}\qquad \rightarrow \qquad \left[\begin{array}{c}-6\\13\end{array}\right]$

The product will result in the solution for the x- and y-values of the system.

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3 years ago

Jim had one hour to get to the

k0ka [10]

Jim has 27.5 minutes left to get to the airport.

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3 years ago

You are driving in Canada and the speed limit is 110 kph (kilometers per hour). How fast is that in mph (miles per hour)?

Karo-lina-s [1.5K]

The answer is 68 mph. Hope this helps :)

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3 years ago