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Anon25 [30]
3 years ago
6

If A(−2, 1), B(1, 5), C(4, 4), and D(1, 0) are the vertices of a quadrilateral, do the points form a parallelogram? Justify your

answer.
Yes, it is a parallelogram because the slope of segment AB equals the slope of segment DC, which equals negative start fraction four over three end fraction, and AD = BC = 10 units.

Yes, it is a parallelogram because the midpoint of the diagonals segment AC and segment BD is (4.5, 2.5).

No, it is not a parallelogram because the slope of segment AB = 1 and the slope of segment DC equals negative start fraction four over three end fraction full stop

Yes, it is a parallelogram because the slope of segment AB equals the slope of segment DC, which equals start fraction four over three end fraction, and AB = DC = 5 units.
Mathematics
1 answer:
Alexandra [31]3 years ago
5 0
<span>Yes, it is a parallelogram because the slope of segment AB equals the slope of segment DC, which equals negative start fraction four over three end fraction, and AD = BC = 10 units.</span>
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2) Hector scored 3/5 of the goals on soccer team. If his team scored a total of 35 goals during the season, how many goals did H
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Answer:

21

Step-by-step explanation:

1/5 * 35 = 7

7*3 = 21

7 0
3 years ago
In ∆XYZ, m∠X = 152, y = 15, and z = 19. Find side x and the measure of angle Y to the nearest tenth
solong [7]

The measure of the side x is approximately 33 and the measure of angle Y is approximately 12.321°.

<h3>How to find a missing angle in a triangle by law of sine and law of cosine</h3>

In this problem we must apply the law of cosine and the law of sine to determine the angle Y:

<h3>Law of cosine</h3>

x = \sqrt{y^{2}+z^{2}-2\cdot y\cdot z\cdot \cos X}

x = \sqrt{15^{2}+19^{2}-2\cdot (15)\cdot (19)\cdot \cos 152^{\circ}}

x \approx 33

<h3>Law of sine</h3>

\frac{\sin Y}{y} = \frac{\sin X}{x}

Y = \sin^{-1}\left(\frac{y}{x}\cdot \sin X \right)

Y = \sin^{-1}\left(\frac{15}{33}\cdot \sin 152^{\circ} \right)

Y \approx 12.321^{\circ}

The measure of the side x is approximately 33 and the measure of angle Y is approximately 12.321°. \blacksquare

To learn more on triangles, we kindly invite to check this verified question: brainly.com/question/25813512

7 0
2 years ago
Help pls explain or don’t just help
Nimfa-mama [501]

Answer:

2 meters, cuz shovels are usually pretty long

3 0
3 years ago
Need help solving for X
Inessa05 [86]
You can find the complementary angle for 28° first, which is 90°-28°=62°. Since this is a right triangle, you can then use trigonometry to find x (the hypotenuse). You have the angle and the adjacent side, so plug and play:

cos 62° = 350 / x
x = 350 / cos 62°
x = 745.5 ft
8 0
4 years ago
Read 2 more answers
Which image shows the correct position -2 1/2on the number line ​
Nat2105 [25]

Answer:

The first one

Step-by-step explanation:

8 0
3 years ago
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