1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nadya [2.5K]
2 years ago
11

A) What is the conjugate of (2+6i) b) Multiply (2+6i) and its conjugate. (Show working)​

Mathematics
1 answer:
Lunna [17]2 years ago
6 0

Answer:

a) 2-6i

b)-32

Step-by-step explanation:

To get the conjugate of a complex number u simply change the sign of the imaginary part

You might be interested in
HELP!! 15 POINTS
Sladkaya [172]
<span>1. For the data in the table, does y vary directly with X? If it does write an equation for the direct variation.(X,y) (8,11) (16,22) (24,33) 
</span><span>
Yes y=1.375x 

</span><span>2.for the data in the table, does y vary directly with X? If it does write an equation for the direct variation. (X,y) (16,4) (32,16) (48,36) 
</span>No y does not very directly with x*** <span> 

</span><span>3. (Time/hour,distance/miles)(4,233) (6,348) (8,464) (10, 580) 
Express the relationship between distance and time in a simplified form as a unit rate. Determine which statement correctly interprets this relationship. 
</span><span>58/1 your car travels 58 miles in 1 hour 

</span><span>4.what is the slope of the line that passes through the pair of points (2,5) and (8,3) 

</span>-1/3 

<span>4.what is the slope of the line that passes through the pair of points (-5.2,8.7) and (-3.2,2.7) 
</span>
-3 

<span>5. What is the slope of the line that passes through the pair of points (3/2,-2) and (-3,7/3) 

-26/27 

</span><span>6.write an equation in point slope from for the line through the given point with the given slope (5,2) m=3 
 
Y-2=3(X-5) 


7. Write an equation in point slope form for the line through the given point with the given slope (-3,-5) m=-2/5 

Y+5=-2/5(X+3) 

</span><span>8. Write an equation in point slope from for the line through the given point with the given slope. (4,-7) m=-0.54 

Y+7=-0.54(x-4) 

9. The table shows the height of a plant as it grows. Which equation in point slope from gives the plants height (time,plant height) (2,16)(4,32)(6,48)(8,64) 

Y-16=8(X-2)*** 
</span>
<span>10. Write y=-2/3x+7 in standard form

2x+3y=21 



11. Write y=-1/2x+1 in standard form using integers 

X+2y=2 

</span>
3 0
3 years ago
Read 2 more answers
Pam bought a pair of shoes on sale for $22.40. If this was 20%. Off the original price, find the original price of the shoes
Rus_ich [418]

Answer:

26.88

Step-by-step explanation:

20%*22.40=4.48

22.40+4.48=26.88

3 0
2 years ago
What is the probability of rolling a 6-sided die and getting a 2 or an odd
mars1129 [50]

Answer:

I think D

Step-by-step explanation:

4 0
3 years ago
every 1/2 mile along a hiking path there is water fountain, every 1/4 mile there is a bench, and every 1/8 mile there is a marke
defon
Bench and mile marker
7 0
4 years ago
If your budget was $1500 total, how many people can you invite? Write a similar equation and solve to find out how many guests y
Andreyy89

Answer:

you can invite 3 members can

6 0
3 years ago
Other questions:
  • The data represent the birth weights, in kilograms, for 10 lambs. 1.1, 1.1, 1.1, 1.1, 1.3, 1.5, 1.5, 1.9, 1.9, 1.9 which histogr
    6·2 answers
  • Greg has 60 building blocks. His sister gives him 17 more blocks.he uses 38 blocks to make a tower.how many blocks are not used
    5·1 answer
  • What is the value of x in the equation 8x – 2y = 48, when y = 4?
    12·1 answer
  • Write an equation that involves
    6·2 answers
  • Can somebody help with this??
    9·2 answers
  • What is 3x + 7x + 10<br><br><br> fastfastfastfasy
    9·2 answers
  • A number q divided by 5 is 8
    6·2 answers
  • What is f(x) = 2/3x - 1? when x = 2
    12·1 answer
  • Can someone help me with this? There's multiple images btw.
    12·1 answer
  • For which value of k does the system has no solutions?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!