Will give brainliest and 20 points! Evaluate 2-(-4)+3+(-6)-(-2)

Mathematics

2 answers:

stira [4]3 years ago

8 0

Answer:

Step-by-step explanation:

2-(-4)+3+(-6)-(-2) if a negative is next to a negative number then It'll be a positive

2+4+3+(-6)+2

6+3+(-6)+2

9+(-6)+2

11+(-6)

solmaris [256]3 years ago

7 0

Answer:

Step-by-step explanation:

2-(-4)+3=9

9+(-6)-(-2)=5

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Are the graphs of 4x-6y=-24 and y=2/3x+4 parallel perpendicular or neither?

ANTONII [103]

Answer:

neither

Step-by-step explanation:

4x - 6y = -24 y = 2/3x + 4

-6y = -4x - 24

-6/-6y = -4/-6x -24/-6 y =2/3x + 4

y = 2/3x +4

Same line

5 0

3 years ago

Question below

Ksivusya [100]

Answer:

$m \times H=\left[\begin{array}{c c c}\boxed{-9} & \boxed{36} & \boxed{-\dfrac{9}{2}}\end{array}\right]$

Step-by-step explanation:

Calculate the value of m

Given:

$3\left[\begin{array}{c c}-1 & 2 \\4 & 8\end{array}\right]=\dfrac{2}{3}m \times \left[\begin{array}{c c}-1 & 2 \\4 & 8\end{array}\right]$

Therefore:

$\implies 3=\dfrac{2}{3}m$

$\implies m=3 \times \dfrac{3}{2}$

$\implies m=\dfrac{9}{2}$

Calculate the value of H

Given:

$\left(H+ \left[\begin{array}{c c c}1 & 4 & -2\end{array}\right]\right)+\left[\begin{array}{c c c}3 & 2 & -6\end{array}\right]=\left[\begin{array}{c c c}-2 & 8 & -1\end{array}\right]+\left(\left[\begin{array}{c c c}1 & 4 & -2\end{array}\right]+\left[\begin{array}{c c c}3 & 2 & -6\end{array}\right]\right)$