Match each complex numbers with its corresponding distance to the origin

Match Each Complex Numbers With Its Corresponding Distance To The Origin

Answers

Answer 1

Answer:

2. z = 1 - 2·i    →    √5

3. z = 4 + 3·i   →      54

4. z = 6 - 8·i    →     10

1. z = √5 - i      →    √6

Step-by-step explanation:

1. z = √5 - i

The distance from the origin = √((√5)² +1²) = √(5 + (-1)²) = √6

Therefore, z = √5 - i → √6

2) z = 1 - 2·i

The distance from the origin = √(1² + (-2)²) = √5

Therefore, z = 1 - 2·i → √5

3) z = 4 + 3·i

The distance from the origin = √(4²+3²)) = √(16 + 9) = √25 = 5

Therefore, z = 4 + 3·i → 5

4) z = 6 - 8·i

The distance from the origin = √(6²+8²)) = √(36 + 64) = √100= 10

Therefore,  z = 6 - 8·i →  10


Related Questions

Why is 3^-2 not a negative number?

Answers

The rule you use is x^(-k) = 1/(x^k)

In this case x = 3 and k = 2, so,

3^(-2) = 1/(3^2) = 1/9

--------------------------------------------

One way to think of it, is to consider the equation below

3^2*3^x = 1

We can solve for x like this

3^2*3^x = 1

3^(2+x) = 1

3^(2+x) = 3^0

2+x = 0 .... the bases are equal, so the exponents must be equal

x = -2

meaning that

3^2*3^x = 1

updates to

3^2*3^(-2) = 1

Now isolate the 3^(-2)

3^2*3^(-2) = 1

3^(-2) = 1/(3^2)

3^(-2) = 1/9

I need this ASAP!
Evaluate: (-10) + 30 ÷ 5 x 2(-7 +5)
Will give Brainliest!

Answers

Answer:

-34

Step-by-step explanation:

Identify whether the two graphs would form paraffeſ finesperpendicular lines, or neither parallel nor perpendicular lines.

Answers

Answer:

neither

Step-by-step explanation:

the slope of the first seems to be 1/5 while the second looks to be 2/5

Lin read 44 pages in 132 minutes. Diego read 35 pages in 140 minutes. Who is reading at a faster rate, Lin or Diego? Show and Explain your reasoning.

Answers

Answer:

Diego

Step-by-step explanation:

divide 132 minutes by 44 pages and you get 3 pages per minute, then divide 140 minutes by 35 pages and you will get 4 pages per minute. so Diego reads 1 more page a minute than lin. hope i helped you :)

question attached as photo​

Answers

Answer:

2) [tex]\frac{1}{\sqrt[6]m^{5}}[/tex]

Step-by-step explanation:

As per the laws of indices:

[tex]\frac{x^{a} }{x^{b} } = x^{a - b} \\\\and \\ \\(x^{a})^b = x^{ab}[/tex]

Therefore:

2-(1/3) = 5/3

So m ^(5/3)

5/3 multiplied by -1/2 = -5/6

so m^(-5/6)

Another law of indices:

[tex]x^{\frac{a}{y} } = \sqrt[y]{x^{a} }[/tex]     and when there is something raised to a negative fraction do the reciprocal.

please answer HURRY PLEASE (have to have it done before 12:00

Answers

Answer:

Hello, It isn't clear.

It looks blur to me

Answer:

7. C

8. A

To find slope, we need two points. Once we have them, we can put them into the formula:

[tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex]      ← this is rise/run

For 7, it's just a matter of comparing any two consecutive points.

For 8, you are given the two points.

What is the measurement CBD?
с
(4x + 7)°
(2x - 1)^
A
B
D

Answers

Answer:

57 degrees

Step-by-step explanation:

value of x = 29

Answer:

57

Step-by-step explanation:

(4x + 7) + (2x -1) = 180

6x + 6 = 180

6x = 174

x = 29

(2(29) -1 )

(58 - 1)

(57)

Reggie runs 5 miles per hour for 1 1/2 hours. If
Heather runs the same distance in 1 hour, then
what is Heather's average speed in miles per
hour?
A. 10
B. 9 1/2
C. 7 1/2
D. 5

Answers

Answer:

D. 5

Step-by-step explanation:

Heather runs 5 miles in 1 hour.

average speed = distance/time = 5 miles / 1 hour = 5 miles per hour

Answer: D. 5

The answer would be D.

what is the value of 3b2−b when b = 5?

Answers

Ok so it’s using distributive property

3(5)2-5
5*3=15
5*2=10

You add that 25
Minus the last b Which would make it 20
:)

The equation below represents a situation.

13 – 14x = 38x

Which word problem could the equation represent?

A.) A jar contains 13 dollars worth of one kind of coin. Clara took 14 coins out of the jar. Now, there are 38 coins remaining. What is the value of one of the coins in the jar?

B.) A box contains 38 muffins. Nate sells 14 muffins and makes 13 dollars. How much did Nate charge per muffin?

C.) Over 13 days, Gretchen withdrew 14 dollars from her bank account and deposited 38 dollars. On average, how much money did she deposit each day?

D.) Matthew has 38 pages to read in his textbook, but 14 of the pages are ripped out. It took him 13 minutes to read the pages. How long did he spend on each page?

Answers

Answer:

it is C

Step-by-step explanation:

Maybe

I am not really good at math

Help! Again..
The sales tax in your city is 8.8%, and an item costs 63 BEFORE tax.
How much tax would you pay on that item?

Answers

Answer:

$5.54

Step-by-step explanation:

8.8% of $63 = 0.088 * $63 = $5.544

Answer: $5.54

Answer:

You would pay $5.54 tax for that item.

Step-by-step explanation:

0.088 x 63 = 5.54

Aman, Anna and Tina are participating in the school race. Anna completes a lap in 120 minutes, Aman completes a lap in 240 minutes and Tina completes a lap in 60 minutes. If they all started at the same time, then after how long will they meet again?

Answers

Given:

Anna completes a lap in 120 minutes.

Aman completes a lap in 240 minutes

Tina completes a lap in 60 minutes.

To find:

The time after which they will meet again.

Solution:

They all started at the same time. So, the time after which they will meet again is the LCM of time taken by them to complete a lap.

Required time = LCM(120,240,60)

Factors of [tex]120 = 2\times 2\times 2\times 3\times 5[/tex]

Factors of [tex]240=2\times 2\times 2\times 2\times 3\times 5[/tex]

Factors of [tex]60=2\times 2\times 3\times 5[/tex]

So,

[tex]LCM(120,240,60)=2\times 2\times 2\times 2\times 3\times 5[/tex]

[tex]LCM(120,240,60)=240[/tex]

Therefore, after 240 minutes they will meet again.

PLEASE HELP!! (I'LL GIVE BRAINLY!)

Answers

Answer:

x inntercept is 2

Step-by-step explanation:

7. Melissa bought 8 yards of string to make bracelets. She wants to cut the string in equal pieces that is 1/2 yard
long. How many pieces of strings with Melissa have?
A 4
B 16
C 40
D 50
Please answer this it’s for a test and I suck in math I don’t even know how I’m in pre ap

Answers

Step-by-step explanation: To find this answer, you want to divide the amount of yards in half.  This is the case since each string is 1/2. So as a result, each yard of whole string will produce 2 strings.  To find your final answer, multiply 2 strings by 8 yards.  

Consider the function f(x) = 9x^2- 3x + 3

Determine the output produced by the input value x = 3.

Output: F(3) =

Answers

Answer:

6x3(067)m

Step-by-step explanation:

uhm do the math

Carolyn has 20 biscuits in a tin.
She has
12 plain biscuits
5 chocolate biscuits
3 ginger biscuits
Carolyn takes at random two biscuits from the tin.
Work out the probability that the two biscuits were not the same type.

4 Marks​

Answers

Answer:

Approximately 58.4%

Step-by-step explanation:

The probability that they are different is the opposite of the probability that they are the same.

The probability that they are the same is:

P(plain, plain) = (12/20) (11/19) = 132 / 380

P(chocolate, chocolate) = (5/20) (4/19) = 20 / 380

P(currant, currant) = (3/20) (2/19) = 6 / 380

P(same) = 132/380 + 20/380 + 6/380

P(same) = 158/380

P(same) = 79/190

Therefore, the probability that they are different is:

P(different) = 1 − 79/

[tex]\frac{111}{190}[/tex]  is the  probability that the two biscuits were of not the same type.

What is Probability?

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty.

According to question, Carolyn has 20 biscuits in a tin.

She has 12 plain biscuits, 5 chocolate biscuits and 3 ginger biscuits

Carolyn takes at random two biscuits from the tin.

We have to find out  the probability that the two biscuits were of  not the same type.

             P(plain biscuit, plain biscuit)  [tex]=(\frac{12}{20} )(\frac{11}{19} )=\frac{132}{380}[/tex]

P(chocolate biscuit, chocolate biscuit)[tex]=(\frac{5}{20})(\frac{4}{19} )=\frac{20}{380}[/tex]

          P(ginger biscuit, ginger biscuit)[tex]=(\frac{3}{20}) (\frac{2}{19})=\frac{6}{380}[/tex]

Probability of same type of biscuits

[tex]=\frac{132}{380} +\frac{20}{380}+\frac{6}{380}[/tex]

[tex]=\frac{79}{190}[/tex]

The probability that the two biscuits were not of the same type.

[tex]=1-\frac{79}{190}[/tex]

[tex]=\frac{111}{190}[/tex]

Hence, we can conclude that [tex]\frac{111}{190}[/tex]  is the  probability that the two biscuits were not of the same type.

Learn more about probability here:

https://brainly.com/question/11234923?referrer=searchResults

#SPJ2

Jax is at the gym about to lift weights. He finds the bar already has weights on it, but some are not labeled.

Answers

Answer:

what's the question?

Step-by-step explanation:

Find the slope of the line passing through the points (2,5) and (8,-4).

Answers

Where’s the picture/ graph?

A pilot planning to fly at 420 miles per hour flies against a wind which cuts the speed to 4/5 of the planned speed. How long
will it take the plane to travel 840 miles?

Answers

Answer:

2.5 hours

Step-by-step explanation:

420x4/5=336

840/336=2.5

Answer

2.5 hours

Step-by-step explanation:

4/5 of 420 is 336 mph

840 ÷ 336 = 2.5 hours

-136 = 8(m - 1)
[tex] - 136 = 8(m - 1)[/tex]

Answers

-136 = 8m - 8
-136 + 8 = 8m
-128/8 = m
-16 = m

M = -16

Carl is building a fish tank for his fish. Carl wants the fish tank to be a cube. He knows his fish need 144 cubic inches of water to swim in. What is the length of the side on the aquarium that Juan will build?

Answers

Answer:

you need to multiply something

A team of painters is painting all the homes in a new neighborhood. So far, they have painted
3
4
of a house in 4 days. At what rate are they painting?

Answers

Answer:

3/16

Step-by-step explanation:

A 7-kg bag of apples for $10

Answers

Answer:

0.7 kg = $1

Step-by-step explanation:

7 kg - $10

? kg - $1

7 / 10 = 0.7

0.7 kg = $1

Let me know if I did something wrong :)

Answer:

7:10

Step-by-step explanation:

I do not know if this is a ratio problem but if this is than the answer is 7:10

At 7 AM it is 20° F and the temperature is dropping at a rate of 4° F per hour. What will the temperature be at
11 AM?

Answers

Answer:

4 degrees farenheight

Step-by-step explanation:

Answer:

4 degrees

Step-by-step explanation:

7am to 11am is 4 hours.

So now multiply 4 hours*4* F = 16

So the temperature decreased 16 degrees.

20-16=4

It was 4 degrees at 11 am.

A company sells three types of gift bags, which include movie passes,x, microwave popcorn,y, and DVD,z, the basic basket has two movie passes and one pacage of microwave popcorn, and cost $15.50. The medium basket has 2 movie passes, 2 microwave popcorn and one DVD and costs 37.00 the super basket has four movie passes, three microwave popcorn, and two DVD and costs 72.50

Answers

Answer:

true

Step-by-step explanation:

is it true or false

Help needed ASAP will give you BRAINLIEST and 5 stars RATE

Answers

Answer:

Illustration (A)

Step-by-step explanation:

An Illustration a book or newspaper or something else that gives a brief explanation on a topic which helps us understand. Like a print feature, I could draw and make a article on a Print feature.

Mr. Perez ordered 12 new jerseys for the middle school baseball team . Each jersey costs the same amount. He paid \$|O for shipping and the total cost of the order was $190. How much was the price of each jersey ?

Answers

Answer:

each jersey was 15 dollars.

Step-by-step explanation:

190-10= 180

180/12= 15

hope this helps!!

Answer:

15

Step-by-step explanation:

Take the 10 away because it was for shipping. Do 180 divided by 12 and you get 15

Find the x - and y-intercepts of the graph of the linear equation 3x + 6y = 24.​

Answers

Answer: x=8 y=4

Step-by-step explanation:

Multi- step equations
3n - 5 = -8(6 + 5n)

Answers

Answer:

-1

Step-by-step explanation:

Original Equation:

3n - 5 = -8(6 + 5n)

Use distributive property on the parentheses.

-8 ⋅ 6 = -48

-8 ⋅ 5n = -40n

Equation now:

3n - 5 = -48 - 40n

Add 40n to both sides.

43n - 5 = -48

Add 5 to both sides.

43n = -43

Divide both sides by 43

n = -1

(I might not be right. I am sorry if I am am wrong. Don't get mad at me)

Hope I helped :)

Please consider Brainliest :)

 [tex]\bold{Hello!}\\\bold{Your~Answer~Is~Below!}[/tex]

______________________________

 [tex]\bold{Solution~Steps:}[/tex]

[tex]1.)~Use~distributive~property~to~multiply~-8~by~6+5n:[/tex]

[tex]\bold{-8}[/tex] × [tex]\bold{6=-48}[/tex][tex]\bold{-8}[/tex] × [tex]\bold{5n=-40n}[/tex][tex]\bold{We~use~distributive~when~we~have~parenthesis~over~an~equal.}[/tex]

[tex]2.)~Add~40n~to~both~sides:[/tex]

[tex]\bold{-40+40n=Cancels~Out}[/tex][tex]\bold{3n+40n=43n}[/tex][tex]\bold{~In~this~case~we~add~since-40n~is~negative.}[/tex]

[tex]3.)~Add~5~to~both~sides:[/tex]

[tex]\bold{-5+5=Cancels~Out}[/tex][tex]\bold{-48+5=-43}[/tex][tex]\bold{~In~this~case~we~add~since-5~is~negative.}[/tex]

[tex]4.)~Divide~both~sides~by~43:[/tex]

[tex]\bold{43n}[/tex] ÷ [tex]\bold{43=Cancels~Out}[/tex][tex]\bold{-43}[/tex] ÷ [tex]\bold{43=-1}[/tex][tex]\bold{You~divide~by~the~number~attached~to~the~variable~to~get~n~alone.}[/tex]

______________________________

 [tex]\bold{Answer:}[/tex]

[tex]\bold{n=-1}[/tex]

______________________________

 [tex]\bold{Hope~this~helps,}\\\bold{And~best~of~luck!}\\\\\bold{~~~~~-TotallyNotTrillex}[/tex]

PLEASE ANSWER THIS ASAP !!!!!

Answers

Answer:

f(2) = -5

Step-by-step explanation:

For this problem, we are evaluating the graph of f(x), meaning at the value of x, we want the y-value.

Note, when x = 2 on the graph, the only y coordinate available is y = -5.

Hence, when we evaluate f(x) for x = 2, we get y = -5.  f(2) = -5.

Cheers.

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