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Dmitrij [34]
3 years ago
13

Someone please help me!! ASAP! with 2 column proof.

Mathematics
2 answers:
mylen [45]3 years ago
7 0

Answer:

The perimeter of the rectangle is 34 inches.

Step-by-step explanation:

2*3 + 2*14 = 34 inches.

DENIUS [597]3 years ago
6 0
What type of math is this
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Find the axis of symmetry and the vertex of<br> the equation below.<br> n^2+ 6n = 0
IrinaK [193]

Answer:

axis of symmerty = x coordinate of vertex = -b/2a

-6/2 = <u>-3 = x</u>

<u />

vertex = (-3,y)

-3^2 +6(-3)

9-18 = -9 = y

<u>(-3,-9) = vertex</u>

Step-by-step explanation:

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3 years ago
Solve by substitution: <br> -5x + y = -2<br> -3x + 6y = -12<br><br> please explain
fomenos

First we pick the equation. Let's say we pick first one. From it we express y.

-5x+y=-2\Longrightarrow y=-2+5x

Then we use this y and plug it in instead of y in the second equation.

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Now just solve for x.

-3x-12+30x=-12 \\-3x=-30x \\\underline{x=10}

We plug this x in the first equation.

-5\cdot10+y=-2

And solve for y.

-50+y=-2 \\\underline{y=48}

So the solution to the equation is geometrically a point P which lies on the intersection of the two lines.

\boxed{P(10,48)}

Hope this helps.

r3t40

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