Fill in the blanks to name each complex number
shown in the plane to the right.
point x: __ + __i
point w: __
point z: __
Answers
Answer:
-3,2
4
-4i
ON E2020
Have a Great Day :)
Point x is -3 + 2i , point w is 4 + 0i and point z will be 0 + -4i.
What is a complex number?Complex numbers are helpful in finding the square root of negative numbers.
A complex number is the sum of a real number and an imaginary number.
The idea of a complex number has come by solving a quadratic equation that has root as negative under root.
If we solve x² + 1 = 0 ⇒ x = √(-1) which is called as iota(i).
Given points, x,y, and z in a complex plan where an x-axis is a real number and the y-axis is an imaginary (i.e. i ) number.
So,
Point x is 3 units to the negative side and 2 units up so its coordinate will be (-3, 2i) so -3 + 2i.
Point w is 4 units to the positive side and 0 units up so its coordinate will be (4,0i) so 4 + 0i.
Point z is 4 units downside so its coordinate will be (0,-4i) so 0 + -4i.
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Related Questions
The perimeter of a rectangle is forty inches. The length is
two inches more than three times the width. Find the dimensions of
the rectangle.
Answers
Let Width (inches) = X
Let Length (inches) = 3x + 2
40 = (x) + (3x + 2) + (x) + (3x +2)
40 = 8x + 4
-4 -4
36 = 8x
/8 /8
4.5 = x (width)
Length = 3x + 2
length = 3(4.5) + 2
length = 13.5 + 2
length = 15.5 inches
CHECK
40 = 15.5 + 4.5 + 15.5 + 4.5
40 = 20 + 20
40 = 40
solve for x it is a parallelogram please help
Answers
Answer:
UW = EW+UE=2×EW because, EW=UE
7x-2=2×6= 12
7x=14
x=14/7
x=2
2 is the right answer.If the sequence, 1,3,5,7,9,..... Is called A(n), where n is the nth term. What term is A(3)?
Answers
Answer:
Third term (5)
Step-by-step explanation:
A(3) is the third term which is 5.
Answer: Tn=2n−1.
Step-by-step explanation:
It took Bill 8 hours to paint one side of a house. It took Joanne 5 hours to paint the other side
of the house. How much longer did Bill work than Joanne?
Answers
Answer:
3 hours
Step-by-step explanation:
you would have to subtract 5 from 8 and there's you answer
Hope that helps. XD
m∠1=(3x+8)°, m∠2=(3x+18)°, and m∠3=(7x+9)°. What is m∠3?
Answers
Answer:
87.4°
Step-by-step explanation:
(3x + 8) + (3x + 18) + (7x + 9) = 180
3x + 8 + 3x + 18 + 7x + 9 = 180
add the common numbers
13x + 35 = 180
subtract 35
13x = 145
divide 13
x = 11.2
then plug it back in to m<3
7(11.2) + 9
78.4 + 9
= 87.4°
what is the graph for y=2x+1
Answers
-2.4x+3.8x-x please helpppp
Answers
Answer:
0.4x
General Formulas and Concepts:
Algebra I
Terms/Coefficients/DegreesStep-by-step explanation:
Step 1: Define
-2.4x + 3.8x - x
Step 2: Simplify
Combine like terms: 1.4x - xCombine like terms: 0.4xO salário de um artista é calculado através da função y = 2000 + 500x onde Y representa o valor total em Reais recebido em um mês de trabalho e "x" o número de shows realizados no mês. Qual foi o salário desse artista no mês em que realizou 12 shows?
Answers
Answer:
The artist's salary in the month is 8000.
Step-by-step explanation:
The salary of an artist is given by the function :
y = 2000 + 500x ....(1)
where Y represents the total amount in Reais received in a month of work and "x" the number of shows performed in the month.
We need to find the artist's salary in the month she performed 12 shows.
Put x = 12 in equation (1)
y = 2000 + 500(12)
= 2000 + 6000
= 8000
Hence, the artist's salary in the month is 8000.
Find the area of this parallelogram.
Answers
Answer:
The area is 260 sqaure units.
Step-by-step explanation:
Finding the area of a parallelogram is like finding the area of a rectangle. The base times the height equals the area. As a result, you would multiply 20 by 13 to get 260.
HELP ILL MARK YOU BRAINLIST write in y=mx+b form HELP ILL MARK YOU BRAINLIST write in y=mx+b form
Answers
Answer:
im pretty sure it is.
y=-1/4x +3
Good luck!
Answer:
y = -1x/4 + 3
Step-by-step explanation:
m = slope
b = y intercept
Please help! I will give thanks and brainliest if possible!
Answers
Answer:
there is no question... try to ask again and i can try to help :)
Decide if the following equation is growth or decay?
y = 475 (0.256)
Decay
Growth
Answers
Answer:
decay im pretty sure
Step-by-step explanation:
A
,
B
and
C
are points on a circle with
A
C
as a diameter.
A
B
C
is a right-angled triangle.
Work out the total area of the regions shaded in the diagram.
Give your answer correct to 1 decimal place.
Answers
Answer:
Area of the shaded portion = 54.5 cm²
Step-by-step explanation:
Solve first for the area of the circle:
[tex]area \: of \: circle = \pi {r}^{2} \\ = \pi( \frac{d}{2} )^{2} \\ = \pi( \frac{10}{2} )^{2} \\ = 25\pi \: or \: 78.5398 {cm}^{2} [/tex]
Then, compute for the area of the triangle:
[tex]area \: of \: triangle = \frac{1}{2} \times base \times height \\ = \frac{1}{2} ( {8})(6) \\ = 24 {cm}^{2} [/tex]
Since we only needed the shaded portion, we have to subtract the area of the triangle from the area of the circle
[tex]25\pi {cm}^{2} - 24 {cm}^{2} = 54.5398 {cm}^{2} [/tex]
3 divided by -125
pls if you help me out. , you'll get 48 points
Answers
Answer: 0.024
Step-by-step explanation:
Answer:
That equals -0.024 Step-by-step explanation:
ABCD – FECG
what does (x) =
Answers
9514 1404 393
Answer:
x = 12
Step-by-step explanation:
Sides of similar figures are proportional, so ...
AB/FE = BC/EC
x/6 = 10/5
x = 6·(10/5) . . . multiply by 6
x = 12
question in pic, plz help!
Answers
Which weighs more: a watermelon that weighs 7.5 kilograms or a baby that weighs 12 pounds?
Answers
Answer:
The watermelon
Step-by-step explanation:
12 pounds would be around 5.450 kilograms
Please helpppp I want to go to sleep xD (There's a screenshot)
Answers
Answer:
Step-by-step explanation:
2n-8 :) zzzzzzzzzzzzzzzzzzzzz :P
Answer:
2n - 8
Step-by-step explanation:
Combine like terms in the parenthesis 2(1n - 4)
The distribute (multiple both of the terms inside by 2)
It gives 2n - 8
What is the radius of the circle?
Answers
Answer: The circumference of a circle is equal to Pi π times the diameter d . Since the diameter d is equal to 2 times the radius r , the formula for circumference using radius is 2πr 2 π r .
Step-by-step explanation:
Answer:
radius=area÷2
radius=9÷2
radius=4.5
Fred has 45 books. Sally has 27 times more books than Fred. How many books does Sally have?
Answers
Answer:
fred = 45 books
sally has 27 times more book than fred
sally = 45 X 27
= 1215 books
The model represents the equation 3x - 2 < 4 what is the solution for this inequality
Answers
Answer:
x < 2
Step-by-step explanation:
3x - 2 < 4
+ 2 | + 2
------------------
3x < 6
↓
(3x) / 3 < 6 / 3
↓
x < 2
Which value of x satisfies the equation } (x – 3) = -12
-8
7
- 7
8
Answers
Answer:
x = -8
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define
(x - 3) = -12
Step 2: Solve for x
Add 3 to both sides: x = -8Question Progress
Simplify fully
a) 8c^4d^5÷2c3^d^3
b)9a3b5/3ab2
Answers
Answer:
A.) 4cd^2
B.) 3a^2b^3
Step-by-step explanation:
simplify by following the rules to adding exponents
A submarine 50.2 m below the surface of the ocean
goes up 15.6 m. Then it goes down 35.7 m. What is the
submarine's new position relative to the surface of the
ocean? Show your work.
Please help it due today please help
Answers
Answer:
101.5 m
Step-by-step explanation:
What you have to do is 50.2 + 15.6 which equals 65.8, and then you add another 35.7 and the answer would be 101.5 m
What is the final price of an item that cost $38 with 90% mark-up
Answers
Answer:
$342.00
Step-by-step explanation:
38 x 90 = 3420
Answer:
72.2
Step-by-step explanation:
38 * 190%
What is an equation of the line that passes through the point (–1,5) and is parallel
to the line x - y = 6?
Answers
Answer:
y = - x + 4
Step-by-step explanation:
The first step is to find the slope-intercept form, which is:
y=x-6.
Then, y=x+6
y=-x+4 should be the answer since it passes through the point (-1, 5)
Answer:
y=x+6
Step-by-step explanation:
the other guy was wrong
The distance from C to D is 24 miles. The distance from B to C is 2/3 of the distance from C to D. The distance from A to B is 3/8 of the distance from B to C. What is the distance from A to B?
Answers
Answer:
AB is 6 miles
Step-by-step explanation:
Here, we want to get AB
From the question;
CD = 24
BC = 2/3 * 24 = 16
AB = 3/8 * BC
AB = 3/8 * 16
AB = 6 miles
What expression is equivalent to -2x + 7
Answers
What is the value of the expression 3x+x if x =8?
Answers
Answer:
32
Step-by-step explanation:
3 x 8 = 24, 24 + 8 = 32
Mario received y text messages each minute for 10
minutes yesterday and received t test messages
each minute for 20 minutes today. What is the
total number of text messages he received for two
days in terms of y and t?
a. 30yt
b. 200yt
C. 20y+100
d. 10y+20t
Answers
The total number of text messages he received for two days is 10y+20t
What is equation?An equation is a mathematical statement that shows that two mathematical expressions are equal.
Given that, Mario received y text messages each minute for 10 minutes yesterday and received t text messages each minute for 20 minutes today.
Number of text messages for yesterday = 10y
Number of text messages for today = 20t
Total = 10y+20t
Hence, The total number of text messages he received for two days is 10y+20t
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