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
julsineya [31]
2 years ago
8

Express the quantities below in a+bi form, and graph the corresponding points on the complex plane. If you use one set of axes,

be sure to label each point appropriat (1+i)-(1-i), (1+i)(1-i), i(2-i)(1+2i).

Mathematics
1 answer:
iogann1982 [59]2 years ago
3 0

Answer:

Step-by-step explanation:

As we know that

      Complex number written as

   Z = x  +  i y

x is the real part (on real axis).

y is the imaginary part(on imaginary axis).

For  (1+i)-(1-i):

Z=   (1+i)-(1-i)

Z = 1 + i - 1 + i

Z=2 i

So x= 0 ,y= 2

For (1+i)(1-i):

Z= (1+i)(1-i) = 1 - i²                         ( i²  = 1)

Z = 1 - (-1) = 2

So x= 2 and y= 0

For  i(2-i)(1+2i):

Z=  i(2-i)(1+2i) = (2 i-  i²) (1+2i)

Z=  (2i + 1) (1+2i)

Z = 2i +1 +4i² + 2i

Z= 4i + 1 - 4

Z= - 3+ 4 i

x = - 3  and y =4

You might be interested in
Jackson bought 555 ounces of raisins for \$4$4dollar sign, 4.
Fynjy0 [20]

Answer:

Part a) The raisins cost $0.8 per ounce

Part b) 1.25 ounces

Step-by-step explanation:

<u><em>The correct question is</em></u>

Jackson bought 5 ounces of raisins for $4 dollars.

a) How much do raisins cost per ounce?

b) How many ounces of raisins can be bought for $1?

Part a)  How much do raisins cost per ounce?

we know that

To find out the unit rate divide the total cost by the total weight

so

\frac{4}{5} =\$0.8\ per\ ounce

therefore

The raisins cost $0.8 per ounce

Part b) How many ounces of raisins can be bought for $1?

we know that

The raisins cost $0.8 per ounce

using proportion

Find out how many ounces of raisins can be bought for $1

Let

x -----> the ounces of raisins

\frac{1}{0.8}=\frac{x}{1}\\\\x= 1.25\ ounces

8 0
3 years ago
Read 2 more answers
Can anyone help me with this math problem?
wariber [46]
Lemme give you a cheap answer, by simply using the "compound interest formula", which is what that is, 2% compounded yearly

thus \bf \qquad \textit{Compound Interest Earned Amount}&#10;\\\\&#10;A=P\left(1+\frac{r}{n}\right)^{nt}&#10;\qquad &#10;\begin{cases}&#10;A=\textit{current amount}\to&\boxed{y}\\&#10;P=\textit{original amount deposited}\to &\$23000\\&#10;r=rate\to 2\%\to \frac{2}{100}\to &0.02\\&#10;n=&#10;\begin{array}{llll}&#10;\textit{times it compounds per year}\\&#10;\textit{per year, meaning once}&#10;\end{array}\to &1\\&#10;&#10;t=years\to &\boxed{x}&#10;\end{cases}

plug in those values, and simplify
3 0
3 years ago
Read 2 more answers
I'm not playin anymore stop putting links and just answer the question n don't steal my points im over it
Sveta_85 [38]
The correct answer is C
The total of both granola (g) and raisins (r) she wants is 15 lbs. Granola costs 2 and raisins cost 4.50 and that total price would be 37.50
8 0
2 years ago
Expand and simplify 4 (2x-1) +3 (2x+5)
schepotkina [342]
4(2x - 1) + 3(2x + 5)
8x - 4 + 6x + 15
14x + 11 (the answer).

3, 1, -1, -3, -15 (the 10th term)
Let me know if you need working on this part :)
3 0
3 years ago
Read 2 more answers
Whats a quadrilateral with two sides going in the same direction
Mariana [72]

Answer:

Trapezoid.

Step-by-step explanation:

That is a trapezoid ( in the UK a trapezium).

There is a pair of parallel sides.

6 0
3 years ago
Other questions:
  • What is the value of x?<br><br> Enter your answer, as a decimal, in the box.
    12·1 answer
  • Which function is the inverse of f(x) = 2x + 3?
    9·2 answers
  • If a=i+3j+k and b=i+12j+k, find a unit vector with positive first coordinate orthogonal to both a and
    6·1 answer
  • Pls help me with this!!!
    14·1 answer
  • Solve x2 – 2x – 15 = 0 using the zero product property.
    7·1 answer
  • How do I cancel my subscription?
    9·1 answer
  • Use the simple interest formula to find the ending balance.
    12·2 answers
  • There are 50 read beans and 50 white beans in a bag . The first bean selected is red . The red bean is returned to the bag . Wha
    8·1 answer
  • Thanks guys Have funnnnnn
    14·1 answer
  • X + 8 = 9. Find the value of x.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!