Had to repost 4 times because no one's been able to do it.
(Complex Numbers)

Express in the form a+bi where a,b are real numbers.

z=5-ki
w=3+2i

a) z^2
b) z/w​​​

Answers

Answer 1

Answer:

I think A

Step-by-step explanation:

I am not quite sure what this is asking, but based off of what I can tell it should be A.

Hope this helps :)


Related Questions

Identify the relationship (complementary, linear pair/supplementary, or vertical) and find the value of x in the image below.​

Answers

Answer:

Complementary and x = 24°

Step-by-step explanation:

Recognise that angles on a straight line add up to 180°

x + 8° + 148° = 180°

→ Simplify equation

x + 156° = 180°

→ Minus 156° from both sides of the equation to isolate x

x = 24°

Is PQRST a scaled copy of ABCDE ? Explain reasoning

Answers

Answer: no

Step-by-step explanation:

Simplify this expression. (Distributive Property) 4(6p+2q-2p)

Answers

Answer:

16p+8q

Step-by-step explanation:

4(6p+2q−2p)

=(4)(6p+2q+−2p)

=(4)(6p)+(4)(2q)+(4)(−2p)

=24p+8q−8p

If endpoints of a segment are (3,0) and (0,3), what is the length of the segment

Answers

Answer:

[tex]d=3\sqrt{2}[/tex]

Step-by-step explanation:

Distance formula: [tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

[tex]d=\sqrt{(0-3)^2+(3-0)^2}[/tex] 0-3=-3   3-0=3

[tex]d=\sqrt{(-3)^2+(3)^2}\\d=\sqrt{(9+9)[/tex]

[tex]d=\sqrt{18}\\d=3 \sqrt{2}[/tex]

Someone help, AA, SAS, SSS NOT SIMILAR?!!!

Answers

Answer:

answer is AA criteria

hope it helps.

Answer:

aa

Step-by-step explanation:

its aa because the tringle degree on top is 50 degrese  for both

Write the expression that represents this phrase: 5 less than z

Answers

Answer:

5-z

Step-by-step explanation:

5 less then z

Less then: subtraction

Hope it Helped!

Find the slope of the line that passes through the points (2, -5) and (7, 1) Step 1: Choose (x1, y1) X1= ___ y1=___

Answers

Answer:

slope: 6/5

Step-by-step explanation:

you do y2-y1 divided by x2-x1 so it will be 1-(-5) / 7-2 which is equal to 6/5

I NEED HELP BEFORE 4:30PM EST !!!!!

Fill in the blanks, the numbers you can use are:

3, -3, 56, 1, 8, 7, 15, -7

Answers

The answers are:

The first blank is: 8

The second blank is: -3

The last blank is: -7

Hope this helps!


What is the value of the expression below?

Answers

Answer:

10.

Step-by-step explanation:

1)   2(32-(4-1)^3)

2)   2(32-3^3)

3)   2(32-27)

4)   2*5

Answer: 10

Ms. Garcia's seventh grade class is collecting aluminum cans to buy new board games. They receive $0.35 for each pound of cans they collect. What is the minimum number of pounds of aluminum cans they need to collect in order to purchase a board game that costs $27.20? HELP PLEASE

Answers

Answer:

The minimum number of pounds of cans they need to collect is 77. I hope this helps you.

Step-by-step explanation:

You would have to divide $27.20 divided by $0.35 and you would end with 77.7142857143 but basically 77.

x: -2(x + 3) = -2(x + 1) - 4. ( 1 point)

Answers

Answer:

This is true for all x

Step-by-step explanation:

-2(x + 3) = -2(x + 1) - 4

Distribute

-2x-6 = -2x-2 -4

Combine like terms

-2x-6 = -2x-6

Add 2x to each side

-2x+2x-6 = -2x+2x-6

-6 = -6

This is always true so there are infinite values

This is true for all x

The number is x. Write the mathematical expression for: Five more than the product of the number and six. The mathematical expression is _ NOTE: Make sure that there are NO SPACES between the numbers and the operations. The number is x. Write the mathematical expression for: Five more than the product of the number and six.

Answers

Answer:

5x+x=6

Step-by-step explanation:

Question 6
11.1 pts
Attempt due
2 Minutes
The value of y is directly proportional to the value of x. If y = 91 when x = 13, what is the value of y when x =
12?

Answers

Answer:

y= 84

Step-by-step explanation:

y = kx

where k is the constant

k = y/x = 91/13 = 7

the value of Y when x= 12

y = kx =7(12)

y =84

what is the measure of W in the figure

Answers

Greetings from Brasil...

In angle A we have supplementary angles, that is

130 + X = 180

X = 180 - 130

X = 50

From the properties of the angles of a triangle - refer to attached,

W = X + 105

as X = 50 - already calculated above, then

W = 50 + 105

W = 155

Complete the statement. The drawing is not to scale. If mangle upper D upper G upper F = 84°, then mangle upper D upper E upper F = ___. Two adjacent triangles are shown.

Answers

Answer:

The answer is 84° because they are the same thing just on opposite sides therefore they would be the same thing.

Simplify (4/5)^-2 . Show your work!

Answers

Answer:

[tex]\frac{25}{16}[/tex]

Step-by-step explanation:

Apply exponent rule: [tex]x^{-y}=\frac{1}{x^y}[/tex]

[tex](\frac{4}{5}) ^{-2}=\frac{1}{\left(\frac{4}{5}\right)^2}=\frac{1}{\frac{16}{25}}=\frac{25}{16}[/tex]

On Thursday, a website received x advertisement orders. On Friday, the website received 8 more advertisement orders than on Thursday. The expression 2x + 8 represents the total number of advertisement orders received over two days. What does the "+8" mean in the expression 2x + 8? the number of days the total number of advertisement on both days how many more advertisements were ordered on Friday than Thursday the number of advertisement ordered on Friday

Answers

Answer:

2x+8

Step-by-step explanation:

Answer:

"how many more advertisements were ordered on Friday than Thursday"

Step-by-step explanation:

what is the sum of a rational numbers?

Answers

Answer:

Step-by-step explanation:

So, adding two rationals is the same as adding two such fractions, which will result in another fraction of this same form since integers are closed under addition and multiplication. Thus, adding two rational numbers produces another rational number.

Find the slope and the y-intercept of the line y=9x-8

Answers

Answer:

the slope is 9 and the y-int. is -8

Step-by-step explanation:

Answer:Y = -8

Slope is 9

Step-by-step explanation:

Y=9 x 0 - 8

-9x = -8

X =8/9

14 - ( 9t - 2 ) < - t + 30 Anyone know multistep equations

Answers

Answer:

t > -7/4

Step-by-step explanation:

Step 1: Write out inequality

14 - (9t - 2) < -t + 30

Step 2: Distribute

14 - 9t + 2 < -t + 30

Step 3: Combine like terms

-9t + 16 < -t + 30

Step 4: Add 9t to both sides

16 < 8t + 30

Step 5: Subtract 30 on both sides

-14 < 8t

Step 6: Divide both sides by 8

-7/4 < t

Step 7: Rewrite

t > -7/4

On April 1, the company hired an attorney for a flat monthly fee of $3,5000. Payment for April legal services was made by the company on May 12.

Answers

Answer:

Question continuation

"2. A $480,000 note payable requires 9.1% annual interest, or $3,640, to be paid at the 20th day of each month. The interest was last paid on April 20 and the next payment is due on May 20. As of April 30, $1,213 of interest expense has accrued.  

3. Total weekly salaries expense for all employees is $9,000. This amount is paid at the end of the day on Friday of each five-day workweek. April 30 falls on a Tuesday, which means that the employees had worked two days since the last payday. The next payday is May 3.  The above three separate situations require adjusting journal entries to prepare financial statements as of April 30. For each situation, present both the April 30 adjusting entry and the subsequent entry during May to record the payment of the accrued expenses. (Use 360 days a year. Do not round intermediate calculations.)"

Solution:

No  Type          Date       Account                 Debit       Credit  

1   Adjusting  Apr 30       Legal Expenses    $3,500  

                                       Accounts Payable                   $3,500  

                                      (To record legal expenses)

 Subsequent May 12     Accounts Payable  $3,500

                                        Cash                                         $3,500

                                        (To record payment in May)

2  Adjusting   Apr 30      Interest Expense     $1,213

                                        Interest Payable                        $1,213

                                        (To record interest expense accrued)

Subsequent May 20      Interest Expense       $2,427  

                                       ($3,640-$1,213)

                                        Interest Payable        $1,213

                                        Cash                                          $3,640

                                        (To record payment in May)

3  Adjusting   Apr 30      Salaries Expense        $3,600

                                        Salaries Payable                         $3,600

                                         ($9,000/5*2)

                                        (To record salaries expense accrued)  

  Subsequent  May 3      Salaries Expense         $5,400  

                                         ($9,000/5*3)  

                                         Salaries Payable          $3,600  

                                         Cash                                             $9,000

                                          (To record payment in May)

20
Simplify the expression:
(6y + 4y + 7) – (2y – 10)

Answers

Answer:

8y+17

Step-by-step explanation:

If McDonald sells 5 cows for $100 each and buys a horse for $250 how much would he have

Answers

Answer: 250

Step-by-step explanation:

5(1000)=500

500-250= 250

100x5= $500
500-250= $250

The local humane society is restocking on cat food to prepare for kitten season. Very young kittens need kitten formula which costs $3.99 per bottle. Older kittens need wet cat food which costs $1.50 per can. Part A: Write an algebraic expression to describe how much the humane society will spend preparing for kitten season. Part B: How much money (before tax) will the humane society spend if they buy 30 bottles of kitten formula and 120 cans of wet cat food? Part C: If you add a 7% sales tax to the purchase of bottles of kitten formula and cans of wet cat food, write a new expression accounting for sales tax.

Answers

Answer:

A. 3.99b+1.50c

B. 119.70+180= $299.70

C. (3.99b×0.07)+(1.50c×0.07)

Simplify the expression 8x+x

Answers

[tex]\text{Hey there!}[/tex]

[tex]\text{Simplify the expression 8x + x. }[/tex]

[tex]\text{First, you have to combine your like terms (8x \& x)}[/tex]

[tex]\text{x by itself is understood as a(n) \bf{invisible 1}}[/tex]

[tex]\text{Your new equation is: 8x + 1x}[/tex]

[tex]\text{8x + 1x = 9x because 8 + 1 equals 9 \& the x's are the like terms we had to}[/tex] [tex]\text{substitute into the equation}[/tex]

[tex]\text{Thus, your answer is: \boxed{\bf{9x}}}\checkmark[/tex]

[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{LoveYourselfFirst:)}[/tex]

the scale for a map to actual distance is 2 cm to a 100 miles the actual distance on the map be between Los Angeles and Las Vegas is 5.4 centimeters what is the actual distance in miles between Los Angeles and Las Vegas.Show your work.​

Answers

Given :

The scale for a map to actual distance is 2 cm to a 100 miles.

To Find :

He actual distance on the map be between Los Angeles and Las Vegas is 5.4 centimetres what is the actual distance in miles between Los Angeles and Las Vegas.

Solution :

2 cm of map shows 100 miles of actual distance.

So, 1 cm of map shows 50 miles of actual distance.

Now, 5.4 cm of map will show :

[tex]D=5.4\times 50\ miles\\\\D=270\ miles[/tex]

Therefore, distance between Los Angeles and Las Vegas is 270 miles.

Hence, this is the required solution.

An equilateral triangle (one with all sides the same length) has an
altitude of 100 inches. Find the lengths of the sides.

Answers

Answer:

33.3 in

Step-by-step explanation:

you divide 100 by 3

Answer:

33.3 inches bc u divide it by 3

Step-by-step explanation:

What are all real numbers greater than or equal to 0 called?

Answers

Answer:

Postitive numbers

Step-by-step explanation:

18= 5m + 3 .. what would b m?

Answers

Answer:

m=3

Step-by-step explanation:

Move all terms that don't contain  m  to the right side and solve.

Answer:

m=3

Step-by-step explanation:

Simplifying

18 = 5m + 3

Reorder the terms:

18 = 3 + 5m

Solving

18 = 3 + 5m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-5m' to each side of the equation.

18 + -5m = 3 + 5m + -5m

Combine like terms: 5m + -5m = 0

18 + -5m = 3 + 0

18 + -5m = 3

Add '-18' to each side of the equation.

18 + -18 + -5m = 3 + -18

Combine like terms: 18 + -18 = 0

0 + -5m = 3 + -18

-5m = 3 + -18

Combine like terms: 3 + -18 = -15

-5m = -15

Divide each side by '-5'.

m = 3

Simplifying

m = 3

hope this helps

which group contains only attribute data?

Answers

Answer:

b. weight length distance

Answer:

temperature. color. texture

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