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blondinia [14]
4 years ago
5

Use the values x = -4, 0, 5 to prove your solution to the equation 5 + x - 12 = x - 7. In your final answer, include all of your

calculations.
Mathematics
1 answer:
Mandarinka [93]4 years ago
6 0
X=-4                       x=0                x=5
5-4-12=-4-7          5+0-12=0-7   5+5-12=5-7
-11=-11                 -7=-7              -2=-2


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-4.5x-2y=-12.5 3.25x-y=-0.75<br> solve by elimination
creativ13 [48]
-4.5x-2y=-12.5 and 3.25x-y=-0.75
we first multiply the second equation by -2
(-2)*(3.25x-y=-0.75)=-6.5x+2y=-1.5
add the equation to eliminate the y
so yo get (-4.5x-6.5x)=(-12.5-1.5)
-11x=-11
x=1
now we plug in x into any equation to solve for y
-45x-2y=-12.5 and x=1
(-45*1)-2y=-12.5
-4.5-2y=-12.5
-2y=-12.5+4.5
-2y=-8
y=4
then your answer is x=1 and y=4
5 0
3 years ago
Find the distance between each pair of points E(-1, 0),F(12, 0)
Olegator [25]

Answer:

The answer is

<h2>13 \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

<h3>d =  \sqrt{ ({x1 - x2})^{2}  +  ({y1 - y2})^{2} }  \\ </h3>

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

E(-1, 0) and F(12, 0)

The distance between them is

<h3>|EF|  =  \sqrt{ ({ - 1 - 12})^{2}  +  ({0 - 0})^{2} }  \\  =  \sqrt{ ({ - 13})^{2} }  \\  =  \sqrt{169}</h3>

We have the final answer as

<h3>|EF| = 13 \:  \: units</h3>

Hope this helps you

5 0
3 years ago
Which of these values could be the slope of the line? Select two options. –2 0 3
Valentin [98]

Answer:

-2 and 3

Step-by-step explanation:

These two are slopes. All three are technically slopes but a slope of 0 is just a horizontal line.

8 0
3 years ago
Read 2 more answers
What are the coordinates of the point? (6, −3) (3, 6) (−3, −6) (−3, 6) A coordinate grid with a dot placed in the second quadran
mafiozo [28]

Answer:

(-3, 6)

Step-by-step explanation:

Quadrant II is the top left cornered <em>square</em>, so this coordinate is the one you would pick.

I am joyous to assist you anytime.

4 0
3 years ago
Read 2 more answers
Tom and Brad often play a video game. One day, they tracked the scores they each received for 10 rounds.
Minchanka [31]

Answer:

Tom's median video game score is less than Brad's median video game score.

7 0
3 years ago
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