The complex numbers z1 and z2 are graphed. Which point represents z1 – z2?

The Complex Numbers Z1 And Z2 Are Graphed. Which Point Represents Z1 Z2?

Answers

Answer 1

Answer:

A EDGE 2020

Step-by-step explanation:

I got it wrong twice and it gave me the answer :)

Answer 2

The point represents z₁ - z₂ will be A. Then the correct option is A.

What is a complex number?

The complex number is the combination of the real part and the imaginary part. Then the complex number is given as

⇒ a+bi

The complex numbers z₁ and z₂ are graphed.

The expression of z₁ and z₂ are given below.

z₁ = 4 – i

z₂ = –3 – 2i

Then the difference between z₁ and z₂ will be

z₁ - z₂ = (4 – i) – (–3 – 2i)

z₁ - z₂ = 4 – i + 3 + 2i)

z₁ - z₂ = 7 + i

Then the correct option is A.

More about the complex number link is given below.

https://brainly.com/question/10251853

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Related Questions

The Kellam Booster Club made $1,638 selling tickets to the football games this season. A child's ticket costs $3 and they sold 120 of them. An adult ticket costs $9. How many adult tickets did they sell?

Answers

Answer:

They sold 142 adult tickets.

Step-by-step explanation:

120x3=360

142x9=1278

1278+360=1638

whoever helps me on all gets a brainliest

Answers

Answer:

1. 4 feet

2. 8 quarts

3. 3 kilometers

4. 1.50 kilograms

5. 28 cups

6. 5 meters

7. 900 meters

Step-by-step explanation:

the length of a rectangle is 4 meters less than twice its width. The area of the rectangle is 70. Find the dimensions of the rectangle

Answers

Answer:  The width is 7 meters. The length is 10 meters.

Step-by-step explanation:   Area = Length × width

Length is 2w - 4  

Substitute that value for length, then solve for w.

70 = w(2w - 4)

70 = 2w² - 4w  reorganize to quadratic equation form

2w² - 4w -70 = 0   These are All even numbers; factor out 2 (divide all by 2)

w² - 2w - 35 = 0  factor this

(w - 7)(w + 5)    set each factor = 0 and calculate the value of w.

w+5=0  w= -5  (disregard this one because dimensions of real rectangles can't be negative)

w - 7 = 0  w = 7   The width is 7

Substitute into the original expressions to get the value of Length.

2(7) -4 = L    14 - 4 = L  The Length is 10.

Check by substituting into the original equation:

w × 2w -4 = 70

7 × 2(7) -4 = 70

7 × 10 = 70    TRUE!

w

Dimensions of the rectangle are length=10 meter and width= 7 meter

What is Rectangle?

A rectangle is a quadrilateral with four right angles.

Given,

The length of a rectangle is 4 meter less than twice its width

Consider,

l is the length of the rectangle

w is the width of the rectangle

l=2w-4

Area of the rectangle = Length × Width

70=l × w

Substitute the value of l is the second equation

70=(2w-4)×w

[tex]2w^{2} -4w=70\\2w^{2} -4w-70=0[/tex]

Take 2 outside

[tex]2(w^{2}-2w-35)=0\\ w^{2} -2w-35=0\\(w+5)(w-7)=0[/tex]

w=7,-5

Hence w wont be negative value

Therefore w=7 meter

Then,

l×w=70

[tex]l=\frac{70}{7}\\[/tex]

l=10 meter

Hence, the dimensions of the rectangle are length=10 meter and width= 7 meter

Learn more about rectangle here

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Robert earns $8.65 per hour mowing lawns. A) Write a rule for money m as a function of the number of hours h spent mowing lawns. B) How much does Robert earn if she works 3 hours and 25 minutes?

Answers

Answer:

A) [tex]m=8.65h[/tex]

B) $29.58

Step-by-step explanation:

Earnings per hour = $8.65

To find:

A) Write a rule for money m as a function of the number of hours h spent mowing lawns.

Earnings done in one hour = $8.65

Number of hours = [tex]h[/tex]

To find the total earnings, [tex]m[/tex] as a function of number of hours [tex]h[/tex], we need to multiply per hour earnings with number of hours [tex]h[/tex].

Therefore, the equation is:

[tex]m=8.65h[/tex]

B) How much does Robert earn if she works 3 hours and 25 minutes?

First of all, let us convert 3 hours and 25 minutes to hours.

3 hours 25 minutes = 3.42 hours

Therefore, total earnings are:

[tex]m = 8.65\times 3.42 = \$29.58[/tex]

a plane has fees for 420 passengers 15% of the seats are empty how many passengers are on the plane​

Answers

Answer:

357 passengers

Step-by-step explanation:

[tex]\frac{x}{420}=\frac{85}{100}[/tex] (The [tex]\frac{85}{100}[/tex] is 85% of the 100% people because 15% is missing)

When you cross-simplify you get: [tex]\frac{x}{21}=\frac{85}{5}[/tex] which is [tex]\frac{x}{21}=17[/tex]

Finally, multiply 17 by 21 to get x.

Therefore, x=357

Find the unit rate: 180 miles in 3 hours

Answers

Answer:

60/1 or 60

Step-by-step explanation:

Divide 180 by 3

60

So the unit rate is 60/1

Answer:

60 miles per hour

Step-by-step explanation:

The unit rate is the number of miles traveled per hour.  To solve this divide the total miles traveled by number of hours, 180/3.  The quotient is 60.

2 4/5 ÷ 2 1/5 =
(Please answer as a fraction)

Answers

Answer:

1 3/11

Step-by-step explanation:

Hey guys! I have some math questions I need help with! If your interested to help me please comment! Pls help me ASAP I don’t have time. You can put you snap or instagram user so I can DM you.

Answers

Answer: what is your question

Step-by-step explanation: Also for what subject

What is the problems

2/5x+4 =1/5x+8

I give up I hate math

Answers

2/5x+4=1/5x+8
2/5x+4-1/5x=1/5x+8-1/5x
1/5x+4=8
1/5x+4-4=8-4
1/5x+4
5*(1/5x)=(5)*(4)
x=20

Nii saved more than Yaw. He saved 17 cedis more than Yaw

Answers

Answer:

thats great =)

Step-by-step explanation: can i pls have brainliest pls im on one more

Answer:

Step-by-step explanation:

uhh

PLEASE ANSWER THIS! NO ONE DID EARLIER! HELP ME!

Answers

Answer:

the 1st one

Step-by-step explanation:

If 4 soap cakes cost Rs 50, find the cost of 3 dozen soap cakes.

Answers

50 divided by 4 is 12.5, so it is 12.5 for 1 soap cake, 12.5 x 36 is 45.0

The answer is 45.0

Mark Branliest!

The answer is $45.000

A rectangular soccer field is 80 meters wide and 110 meters long. The coach asks players to run from one corner of the field to the opposite corner diagonally. How far do the players have to run?

Answers

Answer:

Step-by-step explanation:

Goven the length of the field = 110m

Width = 80m

The length of the diagonal is expressed using the pythagoras theorem;

d² = l² + w²

d² = 110² + 80²

d² = 12100 + 6400

d² = 18500

d = √18500

d = 136.01

Hence the players have to run 136.01m diagonally

3x - 3 = x -19
Solve for x
So what is the answer

Answers

The answer to his question is X=-8. I hope this helps!!!


If you roll a numbered cube labelled 1 - 6 once, how likely is it that you would randomly roll a number less than 5

Answers

Answer:

4/36 (11.111%)

Step-by-step explanation:

Whoever can put this in the comments I mean the answer get the free blaringly Supreme Mike if your first one to answer you get apprised like a crown

Answers

Answer:

hi

Step-by-step explanation:

5. If your friend's doctor wants her target heart rate range to be between 143 and 170, and her
average resting heart rate is 62, what is her age? How did you backtrack through these equations
to find her age?
Fast please

Answers

Answer:

a person can work out 50% of the maximum (50% of 194 is 97) and 85% of the maximum (85% of 194 is 164.9). This means that the target heart rate for a 20-year-old is approximately 97–165 bpm. so around 21.

Step-by-step explanation:

Rectangle FGHJ has coordinates F(-8, 6), G(8, 6), H(8,-6), and J(-8, -6). The rectangle is dilated by a scale factor of v with the origin as the center of dilation to form rectangle F'G'H'J'. Which ordered pair represents the coordinates of vertex H'?

Answers

Answer:

H'(8v,-6v)

Step-by-step explanation:

Here coordinate of H is (8,-6). We are dilating it using the rule (x,y)-->(kx,ky) where 'k' is scale factor.

For our problem , the dilation factor is "v"

So, image would be (8v,-6v)

Pls answer I’ll give u 10 points

Answers

Answer: Yes because 2/7=3/6

Step-by-step explanation:

Answer:

de con es fueron des marchas

What is the equation in point-slope form of the line that passes through the point (4,-5) and has a slope of 2/3?

Answers

Answer: I believe the correct answer is the last one but I’m not entirely sure, wait for someone else to answer.

Step-by-step explanation:

Answer:

third one

Step-by-step explanation:

point-slope form is y - y1 = m(x - x1)

plug in values  y -(-5) = 2/3(x - 4)

the double negative cancels out and becomes a positive

therefore y + 5 = 2/3(x - 4)

Write an equation of the lime that passes through (3,7) and is parallel to the line shown


An equation of the parallel is y=□

Answers

Answer:

y=2x+1

Step-by-step explanation:

see graph

Solve 10=5m/4
Im Confused, Please Help

Answers

Answer:

m = 8

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

10 = 5m/4

Step 2: Solve for m

Multiply 4 on both sides:                    40 = 5mDivide 5 on both sides:                      8 = mRewrite:                                               m = 8

Step 3: Check

Plug in m into the original equation to verify it's a solution.

Substitute in m:                    10 = 5(8)/4Multiply:                                10 = 40/4Divide:                                   10 = 10

Here we see that 10 does indeed equal 10.

∴ m = 8 is the solution to the equation.

One serving of tortilla soup is 1 2/3 cups. A restaurant cook makes 50 cups
of soup. Is there enough to serve 35 people? Explain

Answers

no there is not. 50 divided by 1 2/3 gives you 30 which means it can’t create 35 servings.

what's a Number line ?

Answers

a line on which numbers are marked at intervals, used to illustrate simple numerical operations.

Answer:

It is a line with points to represent numbers. It is used to model equations and can be used to determine greater or less than. It's a useful tool to use in math.

Step-by-step explanation:

pls help d ⋅ 24 = -12

d =?

Answers

Answer:

d = -0.5

Step-by-step explanation:

Original equation:

24d = -12

Divide both sides by 24

d = -0.5

Hope this helps :)

Please consider Brainliest :)

Answer:

-0.5

Step-by-step explanation:

-12/24=-0/5 and ur left with d

The diameter of a red blood cell is about 0.0008 cm. the diameter of a chicken pox virus is about 1.7x10^-5 cm. what is the appropriate ratio of the diameter of the red blood cell to the diameter of the chicken pox virus?

A) 1.9x10^-2
B) 4.7x10^1
C) 4.7x10^2
D) 1.9x10^-3

ANSWER ASAP PLS

Answers

Answer:

Correct Choice: B) 4.7x10^1

Step-by-step explanation:

Scientific Notation

The diameter of a red blood cell is about 0.0008 cm. Expressing in scientific notation, the diameter is [tex]8\cdot 10^{-4} \ cm[/tex].

The diameter of a chickenpox virus is about [tex]1.7\cdot 10^{-5}\ cm[/tex]. It's already expressed in scientific notation.

The ratio of both measures is:

[tex]\displaystyle \frac{8\cdot 10^{-4} \ cm}{1.7\cdot 10^{-5}\ cm}[/tex]

Dividing the coefficients and subtracting the exponents:

[tex]\displaystyle 4.7\cdot 10^{1}[/tex]

Correct Choice: B) 4.7x10^1

Please help will give brainliest to answer

Answers

Answer:

your intire hw is not worth 5 pts but I will say that to find the slope is how many times the line goes up or down and to the right and left until it reaches the next dot

Plz help ASAP!!!!!!!!

Answers

Answer:

4 [tex]\sqrt5[/tex]

Step-by-step explanation:

Use Pythagorean theorem to get c^2 for the hypotenuse, which is equal to [tex]\sqrt80[/tex]. You then simplify to get the simplest radical form by [tex]\sqrt80[/tex] = [tex]\sqrt{8*10} = \sqrt{4*2*5*2} = \sqrt{16*5} = 4\sqrt{5}[/tex]

What is the coefficient of the term 53xy ?

5xy

5/3

5

1/3

Answers

Answer:

It's 53, unless you entered the problem wrong then its 5/3

Step-by-step explanation:

Coefficents are the numbers attached to unknown variables

Em quantos meses um capital de R$4.000,00 aplicado a uma taxa de juros simples de 29,3% ao ano, renderá de juros o valor de R$586,00? Insira sua resposta 3.Se uma pessoa necessitar de R$100.000,00 no futuro e depositar hoje R$90.909,09 em uma aplicação com taxa de juros simples de 12% ao ano, levará quantos meses para resgatar o dinheiro desejado?

Answers

Responda:

6 meses

10 meses

Explicação passo a passo:

Dado que:

Principal = 4000

Juros = 586

Taxa (r) = 29,3% ao ano = 0,293

Juros simples = principal * taxa * tempo

586 = 4000 * 0,293 * t

586 = 1172t

t = 586/1172

t = 0,5 anos

Tempo = (0,5 * 12) = 6 meses

B.)

principal = $ 90909,09

Montante final = 100.000

Taxa (r) = 12% = 0,12

Usando a fórmula:

Quantidade final = p (1 + rt)

Taxa = r; t = tempo

100000 = 90909,09 (1 + 0,12t)

100000 = 90909,09 + 10909,0908t

100000 - 90909,09 = 10909,0908t

9090,91 = 10909,0908t

t = 9090,91 / 10909,0908

t = 0,8333334

Número de meses:

0,8333334 * 12

= 10 meses

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