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statuscvo [17]
3 years ago
12

The model represents an equation. What value of x makes the equation true?

Mathematics
2 answers:
timama [110]3 years ago
6 0
D. x = 3

You can get this by turning these into equations

-3x + 6 = 2x - 9

Then solve. 
Levart [38]3 years ago
5 0

Answer:

value of x=3

Step-by-step explanation:

Use the model to find the question and solve for x

-x  -x  -x represents -3x

1  1 1 1 1 1 represents 6

x  and x represents 2x

-1  -1  -1     -1     -1    -1  -1    -1    -1   represents -9

The equation becomes

-3x + 6 = 2x -9

Subtract 2x on both side

-5x +6 = -9

subtract 6 on both sides

-5x= -15

divide by -5

x= 3

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Read 2 more answers
Find the coordinates of the other endpoint when you are given the midpoint (point M) and one of the endpoints (point P)
satela [25.4K]
The known endpoint is P = (-16,0)

Let Q = (x,y) be the other endpoint. It is unknown for now.

Looking at the x coordinates of P and Q, we see that they are -16 and x respectively. Adding these values up gives -16+x. Dividing that result by 2 gives (-16+x)/2. This result is exactly equal to the midpoint x coordinate, which is the x coordinate of M (0). 

So we have this equation (-16+x)/2 = 0. Let's solve for x

(-16+x)/2 = 0
2*(-16+x)/2 = 2*0
-16+x = 0
x-16 = 0
x-16+16 = 0+16
x = 16

Therefore the x coordinate of point Q is 16.

------------------------------------

Let's do something similar for the y coordinates.

The y coordinates of P and Q are 0 and y respectively. Add them up and divided by 2, then set the result equal to -16 (y coordinate of midpoint M) getting this equation (0+y)/2 = -16

Solve for y

(0+y)/2 = -16
y/2 = -16
2*y/2 = 2*(-16)
y = -32

The y coordinate of point Q is -32

------------------------------------

The point Q goes from (x,y) to (16, -32)

Final Answer: (16, -32)
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3 years ago
Write your answer here (Keep it clear and simple to get the best answer)
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Answer:

..what answer exactly? (im just gonna put my random answer here lol)

<em>The development of the calander shows they can divde the number of minutes hours days month etc in a year. Development of the pyramids shows geometry and engineering.</em>

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