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Fittoniya [83]
3 years ago
7

1. Determine whether the graphs of the given equation are Parallel, perpendicular, or neither.

Mathematics
2 answers:
Juliette [100K]3 years ago
5 0
1. A. parallel, because when you get y by itself it is y=-2x+7,  the two equations have the same slope which means they are parallel.

2. B. sometimes, in order for two lines to be parallel they have to have the same slope so, it is possible that two lines say with a slope of 3, those would be parallel BUT it doesn't always have to have a positive slope for it to be parallel like in question 1. 

3. C. never, If they have the same slope they are parallel despite whatever the y-intercept is.
PilotLPTM [1.2K]3 years ago
4 0
1. a 
2. B
3. c because that is the definition of paralel 
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The product of x and y is less than or equal to 4
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4 years ago
Find the area of the regular hexagon.
NeTakaya

Answer:

1) The area of the regular hexagon is approximately 11.256 unit²

2) The coordinates of the center is (2, 3)

3) The base length is approximately 2.08 units

4) The height of the hexagon is approximately 3.61 units

Step-by-step explanation:

1) The length, lₐ, of the apothem is given as follows;

l_a = \sqrt{\left (y_{2}-y_{1}  \right )^{2}+\left (x_{2}-x_{1}  \right )^{2}}

Therefore, for the apothem having coordinates, (2, 3), and (3, 1.5), we have;

l_a = \sqrt{\left (3-1.5  \right )^{2}+\left (2-3  \right )^{2}} = \sqrt{1.5^2 + (-1)^2} =\sqrt{3.25}

The length of half half of one side, S/2 = a × tan(30°) = √(3.25)/√3

The length of the base = 2 × √(3.25)/√3 ≈ 2.082 units

The perimeter, P = 6 × 2× √(3.25)/√3

The area, A = 1/2 × P × a = 1/2 × 6 × 2 × √(3.25)/√3 × √3.25 = (13·√3)/2

A = (13·√3)/2 unit²

The area of the regular hexagon, A =  (13·√3)/2 unit² ≈ 11.256 unit²

2) The coordinates of the center = (2, 3)

3) The base, 'b', length by Pythagorean theorem is given as follows;

b = √(a² + (S/2)²) = √((√(3.25))² + (√(3.25)/√3)²) = √(3.25 + 3.25/3) = √(13/3) = (√39)/3

The base length, b = (√39)/3 units ≈ 2.08 units

4) The height of the hexagon, h = 2 × The length of the apothem, lₐ

The length, lₐ, of the apothem is given as follows;

l_a = \sqrt{\left (y_{2}-y_{1}  \right )^{2}+\left (x_{2}-x_{1}  \right )^{2}}

Given the apothem coordinates, (2, 3), and (3, 1.5), we have;

l_a = \sqrt{\left (3-1.5  \right )^{2}+\left (2-3  \right )^{2}} = \sqrt{1.5^2 + (-1)^2} =\sqrt{3.25}

The height of the hexagon, h = 2 × √3.25 units ≈ 3.61 units.

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3 years ago
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Tanya [424]
Where is the question
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4 years ago
If two tangents are inclined at 60° are drawn to a circle of radius 3cm then find length of each tangent.​
sertanlavr [38]

5.19cm

Step-by-step explanation:

draw perpendicular from the center of the circle to produce a right angle triangle which will have 3cm and an angle of 30 degrees. use tan to find the adjacent line which is the length of the tangent.

6 0
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