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2 years ago

HELP PLEASE!!!!!!!!!!!!

Mathematics

2 answers:

sleet_krkn [62]2 years ago

8 0

Answer:

7 and 14

Step-by-step explanation:

tatiyna2 years ago

7 0

Answer:

1 and 6.

Step-by-step explanation:

Vertical angles are angles directly opposite to each other. Let's go through each of the answer choices.

9 and 13.

9 and 13 are adjacent/supplementary angles. They are not directly opposite from each other.

1 and 6.

1 and 6 are directly opposite from each other. Thus, they are indeed vertical angles. This is the correct choice.

7 and 14.

7 and 14 share no relationship.

3 and 6.

Again, 3 and 6 are simply adjacent angles. They are not directly opposite from each other, so they are not vertical.

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2 years ago

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babymother [125]

Answer:

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Step-by-step explanation:

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3 0

1 year ago

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Round 26 to its greatest place value

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2 years ago

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Derive the equation of the parabola with a focus at (−5, 5) and a directrix of y = −1. (2 points)

umka2103 [35]

Focus of the parabola is (-5,5) and directrix is y = -1.

Let's assume a point (x,y) on parabola.

According to definition of parabola, the distance between point (x,y) and focus (-5,5) would be same as the distance between the point (x,y) and directrix y = -1.

$\sqrt{(x+5)^2+(y-5)^2} = \sqrt{(y+1)^2} \\\\(x+5)^2+(y-5)^2=(y+1)^2 \\\\(x+5)^2 + y^2 - 10y +25 = y^2 +2y +1 \\\\(x+5)^2 = -y^2 +10y -25 + y^2 +2y +1 \\\\(x+5)^2 = 12y -24 \\\\12y = (x+5)^2 +24 \\\\ y = \frac{1}{12} (x+5)^2 +2$

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2 years ago

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