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irinina [24]
3 years ago
12

Which statement is true about lines a and b?

Mathematics
2 answers:
Nutka1998 [239]3 years ago
5 0

It would be C. they are skew on ED :)

Maurinko [17]3 years ago
3 0
If they intersect at a 90 degree angle it’s B. If they never intersect if they continued for ever it’s A. If they intersect but it’s not at a 90 degree angle it’s D.
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Cos (a-b) - cos (a+b) = 2 sin a sin b
ollegr [7]
                                                         cos(a - b) - cos(a + b) = 2sin(a)sin(b)
 [cos(a)cos(b) + sin(a)sin(b)] - [cos(a)cos(b) - sin(a)sin(b)] = 2sin(a)sin(b)
[cos(a)cos(b) - cos(a)cos(b)] + [sin(a)sin(b) + sin(a)sin(b)] = 2sin(a)sin(b)
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4 0
3 years ago
Help help help please please
Vadim26 [7]

Answer:

Answer is 18.9 dont forget to mark BRAINLIST

8 0
3 years ago
Read 2 more answers
What is the circumference and area
kvv77 [185]
The circumference is 12.56cm and the area is 12.56cm
3 0
3 years ago
Help me please!!!!!!!!
Romashka [77]

Answer:

y = -6x - 5

Step-by-step explanation:

To find the equation using the point-slope equation, we need the slope and the y-intercept of the line

<u>Finding the slope of the line:</u>

We will calculate the slope between these 2 points:  (-1 , 1) and  (0 , -5)

Slope = Rise / Run

Rise of the line = y1 - y2

Rise = 1 - (-5)

Rise = 1 + 5

Rise = 6

Run of the line = x1 - x2

Run = -1 - 0

Run = -1

Slope of the line:

<em>Slope  = Rise / Run</em>

<em>Slope = 6 / -1</em>

<u>Slope = -6 </u>

<u></u>

<u>Finding the y-intercept:</u>

y-intercept of a line is the y-ordinate of the point where the line intersect the y-axis

From the graph, we can see that the line intersects the y-axis at (0 , -5)

y-coordinate of the point = -5

<u>y-intercept = -5</u>

<u></u>

<u>Equation of the line:</u>

This is the general formula of the slope-intercept:

y = mx + b (where m is the slope of the line and b is the y-intercept )

Replacing the variables

y = (-6)x + (-5)

y = -6x - 5

4 0
3 years ago
I need help please???
Solnce55 [7]

Answer:

A(-5,-1) B(-1,1) C(3,4) D(2,-4) E(0,-6)

Step-by-step explanation:

(x,y)

x being the horizontal line (going across)

y being the vertical line (up and down)

6 0
3 years ago
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