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melamori03 [73]
3 years ago
14

PLEASE HELP ME i beg you

Mathematics
2 answers:
kotykmax [81]3 years ago
5 0
Solution to this question
qn. 1 : the number of planes is five (5)planes
qn. 2 : points A, H, B are collinear
qn. 3 EF is the line segment
labwork [276]3 years ago
3 0
1) How many planes are shown in the figure?

answer: 5

2) Which of the following points are collinear?

answer:  A,H,B

3) which of the following is a segment line?

answer: EF

4) Name the intersection of the planes ACE and CDFE

answer: CE

5) Name the two planes that intersect at BD.

Answer: FBD and  ABCD

6) plane A, B,J,E are coplanar

Answer: false.

Which of the following is the correct way to name this line?
              ⇔
Answer: BC

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iVinArrow [24]

Hello,

Please, see the attached file.

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4 0
3 years ago
Find the value of y and z.
My name is Ann [436]

Answer:

z= 125 because they are congruent and y = 55 because they are congruent

I hope this is good enough:

3 0
3 years ago
4(9) - 2(7-3)^2<br><br><br>thanks if u help​
MariettaO [177]

Answer:

4

Step-by-step explanation:

36 -2(4)^{2}

36 - 2 \times 16

36 - 32

4

7 0
3 years ago
Write the equation of each line using the given information.
Marat540 [252]

A. The equation of the line is y = -0.2 x + 1.9

B. The equation of the line is y = 4 x + 3

C. The equation of the line is y = -8

D. The equation of the line is y = 2 x + 4

Step-by-step explanation:

The slope-intercept form of the equation of a line is y = m x + b, where

m is the slope of the line and b is the y-intercept

  • The formula of the slope of a line which passes through points (x_{1},y_{1}) and (x_{2},y_{2}) is m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}
  • The slope of a horizontal line whose equation y = b is zero
  • The y-intercept means the line intersect the y-axis at point (0 , b)

A.

∵ The line passes through points (2 , 1.5) and (-5 , 36.5)

∴ x_{1} = 2 and x_{2} = -5

∴ y_{1} = 1.5 and y_{2} = 36.5

∵ m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

∴ m=\frac{-5-2}{36.5-1.5}=\frac{-7}{35}=\frac{-1}{5}

∴ m = -0.2

∵ y = m x + b

∵ m = -0.2

∴ y = -0.2 x + b

- To find b substitute x and y in the equation by the coordinates of

  one of the two given points

∵ x = 2 and y = 1.5

∴ 1.5 = -0.2(2) + b

∴ 1.5 = - 0.4 + b

- Add 0.4 to both sides

∴ 1.9 = b

∴ y = -0.2 x + 1.9

The equation of the line is  y = -0.2 x + 1.9

B.

∵ m = 4

∵ y = m x + b

∴ y = 4 x + b

∵ Point (3 , 15) lies on the line

- To find b substitute x and y in the equation by the coordinates

  of the given point

∵ x = 3 and y = 15

∴ 15 = 4(3) + b

∴ 15 = 12 + b

- Subtract 12 from both sides

∴ 3 = b

∴ y = 4 x + 3

The equation of the line is y = 4 x + 3

C.

∵ The line has the same slope of line y = 1

- The line whose equation y = 1 is a horizontal line

∵ The slope of the line y = 1 is zero because it is a horizontal line

∴ m = zero

∵ y = m x + b

∴ The equation of the line is y = (0)x + b

∴ y = b

∵ The line passes through point (3 , -8)

- In the horizontal line the y-coordinates of all point lie on the line

  are equal

∴ The line intersect the y-axis at point (0 , -8)

∴ b = -8

∴ y = -8

The equation of the line is y = -8

D.

∵ m = 2

∵ y-intercept is at point (0 , 4)

∴ b = 4

∵ y = m x + b

∴ y = 2 x + 4

The equation of the line is y = 2 x + 4

Learn more:

You can learn more about the linear equations in brainly.com/question/4326955

#LearnwithBrainly

6 0
2 years ago
Will Mark Brilliant!
pochemuha

Answer:

87.8

Step-by-step explanation:

I assume you know how to do this so I didn't show any steps. Have a nice night. :)

8 0
3 years ago
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