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chubhunter [2.5K]
3 years ago
9

Complex Numbers

}{-2+i}" alt="\frac{-1-2i}{-2+i}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
s2008m [1.1K]3 years ago
6 0
Answer is i
also if you have more of these problems use (socratic) it works wonders!
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How do i do 15, 16???
a_sh-v [17]
  • It's very long so I'm not giving answers but here's how i would do it:
  1. use Pythagoras a^2 +b^2 = c^2 where c is the longest side
  2. use sine rule \frac{a}{sin(A)} = \frac{b}{sin(B)} = \frac{c}{sin(C)} where lower cases are the sides, and capitals are their opposite angles.

e.g for 15:

a = 3, b is missing, c = 10

A is missing, B is ?, C is 90

3 0
2 years ago
PLEASE HELP THIS IS SERIOUS DUE IN 5 MINS
Blizzard [7]

Answer:

You didn't add a specific time frame so I can you a correct answer.

Explanation:

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5 0
4 years ago
Read 2 more answers
Find the solution of this system of equations<br><br> -3x-7y=-66<br><br> -10x-7y=-24
andrezito [222]

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

      Hi my lil bunny!

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

A) Let's solve for x. -3x-7y=-66

Step 1: Add 7y to both sides.

-3x - 7y + 7y = -66 + 7y \\-3x = 7y - 66

Step 2: Divide both sides by -3.

\frac{-3x }{-3} = \frac{7y - 66}{-3}

x = \frac{-7}{3}y + 22

Answer : \frac{-7}{3}y + 22

~~~~~~~~~~~~~

B) Let's solve for x. -10x-7y=-24

Step 1: Add 7y to both sides.

-10x - 7y + 7y = -24 + 7y \\-10x = 7y - 24

Step 2: Divide both sides by -10.

\frac{-10x}{-10} = \frac{7y - 24}{-10}

x = \frac{-7}{10}y + \frac{12}{5}

Answer : \frac{-7}{10}y + \frac{12}{5}

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

If this helped you, could you maybe give brainliest..?

❀*May*❀

7 0
3 years ago
Help pls! A room is 12 feet long and 10.5 feet wide. A scale model of the room is 3.5 feet wide. What is the area of the scale m
guajiro [1.7K]
It should be B I think
7 0
3 years ago
Simplify: -5 + 3a +<br> 6 - 4a.
MatroZZZ [7]

Answer:

-a+11

Step-by-step explanation:

hard to explain. but should be correct

4 0
3 years ago
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