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Gekata [30.6K]
2 years ago
11

Rewarding brainly for correct answer

Mathematics
2 answers:
Likurg_2 [28]2 years ago
6 0
Second option. the middle 50%
r-ruslan [8.4K]2 years ago
6 0
The answer is the 50% of you look and the number line
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The angle between the complex numbers 2+2i and -7
anygoal [31]

Answer:Consider the right triangle formed by the complex number in the Argand-Gauss plane and it's projections on the axis. – José Siqueira Nov 12 '13 at 17:21

In particular what is the definition of sine of theta in terms of the known sides of the above mentioned right triangle? – Adam Nov 12 '13 at 17:27

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3 Answers

1

Consider the following Argand-diagram

enter image description here

The y-axis is the imaginary axis and the x-axis is the real one. The complex number in question is

x+yi

To figure out θ, consider the right-triangle formed by the two-coordinates on the plane (illustrated in red). Let θ be the angle formed with the real axis.

tanθ=yx

⟹tan−1(yx)

The hypotenuse of the triangle will be

x2+y2−−−−−−√

Therefore,

Step-by-step explanation:

5 0
3 years ago
A new section of the freeway will be 6 3/5 miles long. So far 1/6 of the new section has been completed. How many more miles mus
saveliy_v [14]
Divide 1/16 by 3/5 and you get .104 we can check by multiplying our answer by 3/5 and we get 1/16
8 0
3 years ago
In a certain urban are, the relationship between , number of students ,x, in thousands, and the number schools, y, has an x-inte
chubhunter [2.5K]

Answer:

-12 = 3x - 4y

Step-by-step explanation:

Two points on the graph are (-4, 0) and (0, 3).  Moving from the first point to the second, we see x (the 'run') increase by 4 and y (the 'rise') increase by 3.  Thus, the slope of this line is m = rise / run = 3/4.

Using the point slope form, we get:

y - 3 = (3/4)(x - 0), or

4y - 12 = 3x, or

-12 = 3x - 4y (which is in Standard Form).

6 0
3 years ago
Please help the problem is in the picture provided below.
Nadya [2.5K]

Answer:

sorry I don't know

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
WILL MARK AS BRAINLIEST PLEASE HELP!!!
neonofarm [45]

Step-by-step explanation:

2x = y-10

Rewrite as: 2x + 10 = y

Therefore:

2x+10 = y

2x +7 = 2y

Subtract the equations:

 2x + 10 = y

- 2x + 7 = 2y

______________

          3 = -y

Therefore y = -3

Substiture y = -3 into the second equation:

2x + 7 = 2(-3)

2x + 7 = -6

2x = -13

x= -6.5

Answer : (-6.5, -3)

3 0
3 years ago
Read 2 more answers
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