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mars1129 [50]
3 years ago
12

Pls answer! this problem

Mathematics
1 answer:
Ede4ka [16]3 years ago
5 0

Answer:

9k + 36 represents the perimeter of the triangle.

Step-by-step explanation:

Have a nice day!

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Read 2 more answers
What is the equation of the parabola, in vertex form, with focus at (1, -4) and<br> directrix x= 3?
Nezavi [6.7K]

Answer:

  D.  (y +4)² = -4(x -2)

Step-by-step explanation:

The directrix is a vertical line, and the focus is to the left of it. The parabola will open to the left.

The vertex is halfway between the focus and directrix, so is located on the same horizontal line as the focus, at ...

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The focus to vertex distance is the difference in x-coordinates: 1 -2 = -1. This is the value of p in the form ...

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The equation is ...

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_____

<em>Additional comment</em>

Once you determine that the directrix is a vertical line, you know the equation will have a y² term. The only answer choice that has that is D.

5 0
3 years ago
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