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Lapatulllka [165]
3 years ago
6

2/3y=-3x-9 pleaseeeeeeeeee

Mathematics
1 answer:
charle [14.2K]3 years ago
3 0
The slope is -4.500
Hope this helped :)
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If a cube has a volume of 13,824 cubic meters what is the edge length
ratelena [41]
24 cubic meters because 24*24*24=13,824.
6 0
3 years ago
Please help with this
irakobra [83]

Answer:

1

Step-by-step explanation:

because we have to fine p *b

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2 years ago
The photo is attached
aleksley [76]

D

using the double - angle identity

cos (2A) = cos² A - sin² A = 2cos² A - 1 = 1 - 2sin² A

the right side = 1 - 2sin² (112.5° ) with A = 22.5°

hence 2A = 2 × 22.5° = 45°

thus cos 45° = 1 - 2sin² ( 22.5°)


7 0
3 years ago
Hannah drew a pattern using only equilateral triangles. Which of the following statements about an angles in an equilateral tria
Elodia [21]
<span>The sum of the angle of a triangle is 180 degrees. It is mentioned that Hannah drew a pattern of equilateral triangles. Equilateral triangle has three equal sides. Also, its angles are the same, having 60 degrees at each corner of the triangle. The answer is a. Letter b does not qualify to be an equilateral triangle because 120 degrees times 3 is greater than 180 degrees. Letter c and d exceeds the total number of angles at 180 degrees.</span>
3 0
3 years ago
Read 2 more answers
A, B and C are the vertices of a triangle.
DiKsa [7]

Answer:

see below

Step-by-step explanation:

To find the coordinates of the midpoints, add the x's and divide by 2 and add the y's and divide by 2.

The coordinates of D, the midpoint of AB, (1+3)/2 will be the x-coordinate and (4+0)/2 will be the y-coordinate.

D (2,2)

You could also see this on a graph, see image.

E, the midpoint of AC has the x-coordinate (1+-3)/2, which is -1 and y-coordinate (4+-2)/2 which is 1.

E is (-1,1)

Then we are able to calculate the slope of DE and BC.

To calculate slope, subtract the y's and put that on top of a fraction and subtract x's and put that on the bottom of a fraction. If the slopes are the same the segment are parallel.

Slope of DE:

(2-1)/(2--1)

= 1/3

Slope of BC:

(0--2)/(3--3)

=2/6

=1/3

The slopes of BC and DE are equal, so the segments are parallel.

(Alternatively, you could show that Triangle ABC and Triangle ADE are similar. Then find the segments parallel because corresponding angles are congruent.)

6 0
1 year ago
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