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
lozanna [386]
4 years ago
6

Simplify the following and express in the form a+bi. (-8-i)(-8+i)

Mathematics
1 answer:
sesenic [268]4 years ago
8 0
 (-8-i)(-8+i)
=65
 (-8-i)(-8+i) is already in a+bi form of a complex number.
You might be interested in
$39 for a case of 75 bananas. what’s the unit rate
Ahat [919]

Answer:

0.52 dollars per banana

Step-by-step explanation:

We would want a unit rate where 1 is the denominator

So we would divide the top and bottom by 75

39 dollars/75 bananas divided by 75

= 0.52/per 1 banana

6 0
4 years ago
At a concession stand five hotdogs and two hamburgers cost 8.00 two hotdogs and five hamburgers cost 9.50 find the cost of one h
Svetach [21]
Think of this situation as a system of equations.

let y be the price of hotdogs
let x be the price of hamburgers

5y + 2x = 8
2y + 5x = 9.50

now use your solution method of choice
substitution, elimination, matrices, etc
6 0
4 years ago
3x = 2* + 25<br> IF YOU HELP YOU GET BRAINLIEST PLEASE HELP FAST
adelina 88 [10]

Is the answer 25? Thats what I got.

4 0
3 years ago
Kara bought 5 pounds of Brand X roast beef for $43. Cameron bought 3 pounds of Brand Y roast beef for $27. Which brand of roast
Luba_88 [7]
Hey there Jefferymcdougl1,

Answer:

Brand X:
5 pounds = $43
1 pound = $43 / 5
              = $8.60

Brand Y:
3 pounds = $27
1 pound = $27 / 3
              = $9
Thus, Brand X is a better buy as Brand Y costs $0.40 more than Brand x

Hope this helps :D

<em>~Natasha♥</em>
4 0
4 years ago
Read 2 more answers
Steve has a 70% chance of winning a game of darts. If he plays 4 games, what is the
Rufina [12.5K]
0.7 x0.7 x07=0.343= 34.3%
4 0
4 years ago
Other questions:
  • One half of your CDs are scratched. One fifth will not play properly. You have 40 CDs. How many will not work play properly
    14·2 answers
  • Lilith is making a snack mix for her friends. The recipe shows the amount of each ingredient needed to make 88 bags. If Lilith f
    13·1 answer
  • Lucille has a collection of more than 500 songs on her phone that have a mean duration of 215 seconds
    15·1 answer
  • A car rental company charges customers an initial charge plus a daily charge to rent cars the initial charge is 30$ and the dail
    14·1 answer
  • What is the value of the missing side? Round answer to the nearest tenth.
    8·2 answers
  • A line goes through the point (2, 4) and has a slope of 3/2. Which of the following points is also on the line? CHOOSE ALL THAT
    14·2 answers
  • -8x + 10 = -62
    6·1 answer
  • 8. Kennedy wants to use an internet site to sell his game system. The website will charge him a
    7·1 answer
  • What is a system of equations?
    13·2 answers
  • Find the measure of the missing angle. A
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!