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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.

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

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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.

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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.

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3 years ago

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Minchanka [31]

Answer:

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

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