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2 years ago

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X^2÷x-y+y^2÷y-x simplify

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Alex17521 [72]2 years ago

6 0

The answer to this is 0

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Point m is the midpoint of kL. M(1,-1) and L(8,-7. What are the coordinates of point k?

Phoenix [80]

Answer: (-6, 5)

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

Use the Midpoint Formula: $\dfrac{(x_k, y_k)+(x_L,y_L)}{2}=(x_m, y_m)$

Separate the x's and y's and solve them individually:

$\dfrac{x_k+x_L}{2}=x_m\qquad \qquad \qquad \qquad\dfrac{y_k+y_L}{2}=y_m\\\\\\\dfrac{x_k+8}{2}=1\qquad \qquad \qquad \qquad \qquad \dfrac{y_k-7}{2}=-1\\\\\\x_k+8=2\qquad \qquad \qquad \qquad \qquad y_k-7=-2\\\\\\x_k\quad =-6 \qquad \qquad \qquad \qquad \qquad y_k\qquad =5$

So, the k-coordinate is (-6, 5)

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3 years ago

8x - y = 50; x + 4y = -2

inessss [21]

Answer: x= 6, y= -2

Step-by-step explanation: hope this helps.

3 0

2 years ago

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PLZ HELP ASAP WILL MARK BRAINLIEST !!!!!Either Table C or Table D shows a proportional relationship.

NNADVOKAT [17]

Answer:

Table C

Step-by-step explanation:

Now where is my Brainliest XD

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2 years ago

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The expression once The left side of an equation is shown below. 3(x+1)+9 if the equation has no solution which expression can b

lys-0071 [83]

<h3>Answer:</h3>

C. 4(x-3)-x

<h3>Step-by-step explanation:</h3>

All of the given expressions are equivalent to 3x+12 except selection C. Using that in your equation makes it be ...

... 3(x +1) +9 = 4(x -3) -x

... 3x +12 = 3x -12

... 12 = -12 . . . . . <em>false</em>

There is no value of x that will make this true, hence NO SOLUTION.

_____

<em>Comment on the other choices</em>

3x+12 = 3x+12 has an <em>infinite number of solutions</em>, as <u><em>any</em></u> value of x will make this true.

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2 years ago

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What is the value of X? <br><br> X=2.25<br> X=11.25<br> X=13<br> X=22

olga55 [171]

(2x + 10) + (6x + 1) = 180 - 79

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3 years ago

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