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
saw5 [17]
3 years ago
8

Evaluate (-4+i)(-4-i)

Mathematics
1 answer:
krok68 [10]3 years ago
5 0
I get 16-i^2... So you basically distribute everything.
So first, you'd do -4(-4-i) which gets you 16+4i
Next, you do i(-4-i) which gets you -4i-i^2
When you add like terms, (-4i+4i), you're left with 16-i^2. 
So 16-i^2 would be your answer. 
You might be interested in
Andrew believes the honor roll students at his school have an unfair advantage in being assigned to the math class they request.
Artist 52 [7]
<span>                                                            Honor roll Not on honor roll Total
Received math class requested        315               64                   379
Did not get math class requested        41               80                   121
Total                                                        356             144                   500 

Honor roll: request granted: 315/356 = 0.88 x 100% = 88%
Not Honor roll request granted: 64/144 = 0.44 x 100% = 44%

Honor roll students were given preference in granting request than those not in the honor roll.</span>
5 0
3 years ago
Work out 5/8 x 2 please help quick
Fed [463]
5/8 * 2 = 

10/8 =

5/4
-------------------

your answer is 5/4
4 0
3 years ago
1 and 1/4 divided by 7
ludmilkaskok [199]

Answer:

5/28 or 0.17857142

Step-by-step explanation:

use the calculator lol

4 0
3 years ago
Ericka and her two sisters divided 915 stickers equally. About how many stickers did each girl receive?
Musya8 [376]
It should be 35, if that is an answer choice.
4 0
4 years ago
What is 5 minus 4???<br> ik its getting harder<br> but im very stuck
mylen [45]

Answer:

5-4=1

Step-by-step explanation:

it would equal 1 since 4+1=5

7 0
3 years ago
Read 2 more answers
Other questions:
  • Round 10,200 to the nearest thousand
    13·1 answer
  • Which list shows all the factor pairs of 64?
    5·2 answers
  • I need help please FAST!!!!
    12·2 answers
  • The accompanying data set consists of observations on shower-flow rate (L/min) for a sample of n = 129 houses: 4.6 12.1 7.1 7.0
    7·1 answer
  • At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius
    6·1 answer
  • Find the value of x &amp; y<br> y<br> 12<br> 30
    6·1 answer
  • How much does Taryn charge to mow a lawn?
    8·2 answers
  • HELP PLEASEE Consider the line and triangles in the diagram, which of the following statements explains the relationship between
    7·1 answer
  • What's us the volume. first answer get brainliest answer​
    11·2 answers
  • REVIEW HELP PLS
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!