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Eva8 [605]
3 years ago
5

Which point represents the complex number - 3 + 2i

Mathematics
2 answers:
il63 [147K]3 years ago
5 0

Answer:

D

Step-by-step explanation:

The complex number - 3 + 2i can be represented in coordinate form as

(- 3, 2 ) → D on the graph

Vika [28.1K]3 years ago
4 0

Answer:

Point A.

Step-by-step explanation:

A complex number is composed of 2 parts: it's Real Part often denoted with Re(z), where z - complex number, Im(z) - imaginary part of z.

The number can be thought of as a point on the xy axis where Re(z) serves as the x coordinate and Im(z) serves as the y component, thus giving you the position. (Re(z), Im(z))

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Consider U = {x|x is a negative real number}.
gizmo_the_mogwai [7]

Answer:

{x\ x e U and x has a negative square root} is an empty set.

Step-by-step explanation:

If x e U, x is a negative real number, and they don't have a square root (they don't have even roots). Their square roots are complex numbers, not real ones.

6 0
2 years ago
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Find ABD <br> help please!!
Arada [10]

Answer:

20 degrees

Step-by-step explanation:

If BD is the angle bisector of ABC, then ABD must equal half of that. 40/2=20 degrees. Hope this helps!

5 0
3 years ago
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Please help I will mark brainlist if correct
MakcuM [25]

The admission fee at a fair is $2.00 for children and $4.00 for adults.

On Saturday 2,500 people entered the fair and $7,000.00 were collected.

How many children and how many adults attended? Give your answer, using x for children, y for adults.

Form of: x =, and y =

 

Let K = no. of children

Let A = no. of adults

 

2500 people mean

Kids + Adults

 

K + A = 2500

K = 2500 – A

 

2K + 4A = 7000

K + 2A = 3500

 

(2500 – A) + 2A = 3500

A = 3500 – 2500

(A = 1000, adults)

 

K = 2500 – A

K = 2500 -1000

(K = 1500, Kids)

 

CHECK:

1500*2 = $3000

1000*4 = $4000

<span>(Total = $7000, people.). </span>

<span>
</span>

<span>Hope this helps:</span>

6 0
3 years ago
Did I label this triangle correctly?
ziro4ka [17]

Answer:

Yes

Step-by-step explanation:

you labelled it correctly. angle a is across from side a, and vice versa. nice job!! :)

6 0
2 years ago
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Find x if:
kirza4 [7]

Answer:

x = 11

Step-by-step explanation:

x + 5 = 2(x - 3)

x + 5 = 2x - 6

(x - x) + 5 = (2x - x) - 6

5 = x - 6

5 + 6 = x (- 6 + 6)

x = 11

5 0
3 years ago
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