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Stella [2.4K]
3 years ago
7

Arrange the complex numbers in order according to the quadrant in which they appear, starting with the first quadrant.

Mathematics
1 answer:
stich3 [128]3 years ago
6 0
The quadrants and the given numbers are shown in the figure below.

Answer:
The order of the complex numbers, numbered from the first quadrant are
4 + i
-2 + 2i
-1 - 3i
3 - 4i

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Find S15 for the geometric series 72 + 12 + 2 + 1/3 +
Rama09 [41]
Finish the equation. please and thank you

8 0
3 years ago
Read 2 more answers
PLEASE HELP
valina [46]

Answer:

Step-by-step explanation:

You have 3 unknowns: a, b, and c.  It's our job to find them algebraically.  I'm going to start with the point where x = 0 and y = 7.  You'll see why in a minute.  Filling in the standard form of a quadratic

y=ax^2+bx+c  using (0, 7):

7=a(0)^2+b(0)+c  gives you that c = 7.  We will use that value now when we write the next 2 equations.  Now the point (-2, 19):

19=a(-2)^2+b(-2)+7  and

19=4a-2b+7 so

12 = 4a - 2b

Now for the next point (-1, 12):

12=a(-1)^2+b(-1)+7  and

12=a-b+7  so

5 = a - b

Now we have a system of equations (the 2 bold font equations) that we will solve by elimination:

 12  =  4a  -  2b

  5  =   a   -    b

Multiply the bottom equation by -4 to get a new system:

 12  =  4a  -  2b

-20  = -4a  +  4b

Add those together to get rid of the a terms and end up with

-8 = 2b so

b = -4

Now we can sub in -4 for b to solve for a.  I'm using the second bold type equation to do this:

5 = a - (-4) and

5 = a + 4 so

a = 1 and the equation for the quadratic function is

y=x^2-4x+7

7 0
3 years ago
The conference room can hold fewer than 100 people<br><br> What is the equation for this question
kodGreya [7K]

C = conference room capacity

we can write something along the lines of C < 100, namely C can hold is less than 100.

5 0
2 years ago
3(x - 5) = 30<br> I dont know how to solve this
Anastaziya [24]

Answer:

x=15

Step-by-step explanation:

3(x-5)=30

First, you would distribute the three to the x and the negative five.

3x-15=30

Then you would add 15 to the 15 to cancel it and to the 30 to make it even.

3x-15=30

  +15=+15=

3x=45

Finally, you would divide 3 into both sides, cancelling out the three and fiving you,

x=15

Hope this helped!

3 0
3 years ago
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Hurry and answer. You spent $2 on candy for every $1 you spent on drinks at the circus. If you spent a total of $30 at the circu
REY [17]
I think it's 60 but don't mark that
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