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jenyasd209 [6]
3 years ago
5

how many line segments are needed to connect 20 points in a plane so that each pair of points are the endpoints of a line segmen

t
Mathematics
1 answer:
NISA [10]3 years ago
5 0
I think they all just have it and they all have 30 things in it
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Question 30<br>Explain how to use a net to find the surface<br>area of a three-dimensional figure ​
irinina [24]

Answer:

1. Create a three-dimensional figure net.

2. Determine the area of each net face.

3. To calculate the surface area of the cube, add the areas of all the net's faces.

6 0
3 years ago
Write an expression to represent Vivian's change in elevation from -9.6 feet at the bottom of the Ferris wheel to 12.3 feet at
Effectus [21]

Answer:

<h2><em>ΔE =12.3 - (-9.6) which is equivalent to 21.9 feet </em></h2>

<em />

Step-by-step explanation:

Give the distance covered by Vivian at the bottom of the elevation to be -9.6 feet and the distance covered by Vivian at the top of the elevation to be 12.3 feet, Vivian's change in elevation will be expressed as the difference in the elevation at the bottom and the elevation at the top.

Let the initial elevation Ei = -9.6 feet

Final elevation Ef = 12.3 feet

Change in elevation ΔE = Ef - Ei

Change in elevation ΔE =12.3 - (-9.6)

Change in elevation ΔE = 12.3 + 9.6

Change in elevation ΔE = 21.9 feet

<em>Hence the expression to represent Vivian's change in elevation from -9.6 feet at the bottom of the Ferris wheel to 12.3 feet at  the top is </em><em>ΔE =12.3 - (-9.6) which is equivalent to 21.9 feet </em>

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5 0
3 years ago
If you are good at math please help me answer all 4 please
Strike441 [17]
Slope = rise/run
1. Slope is -1/3
2. Slope is 3
3. Slope is -3/2
4. Slope is 3/2
5 0
3 years ago
What is the volume of the cylinder?
adell [148]

Answer:

4,398.23

Step-by-step explanation:

8 0
3 years ago
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The polynomial 6x2 x − 15 has a factor of 2x − 3. what is the other factor? 3x − 5 3x 5 4x − 5 4x 5
Andrew [12]
6x^2 + x - 15 = 6x^2 - 9x + 10x - 15 = 3x(2x - 3) + 5(2x - 3) = (3x + 5)(2x - 3)
Therefore, the other factor is 3x + 5.
8 0
3 years ago
Read 2 more answers
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