Write the expression as a complex number in standard form.

( 7 - 4i ) + ( 8 + 6i )


(Please don't spam anything for points, and could you leave an explanation as well? Thanks!)

Answers

Answer 1

Answer:

15+2i

Step-by-step explanation:

Hi there!

We are given the following expression:

(7-4i) + (8+6i)

And we want to write it as a complex number in standard form

Standard form is a+bi, where a is the real part of the number and bi is the imaginary part of the number.

We can open up the parentheses on the expression

7-4i+8+6i

Now combine the like terms (add 8 and 7 together, then add -4i and 6i together)

15+2i

The complex number is now in standard form

Hope this helps!


Related Questions

complete the given magic square with consecutive numbers from 6 to 14 having magic constant 30​

Answers

Step-by-step explanation:

the answer is in the image above

The required magic square with consecutive numbers from 6 to 14 having a magic constant of 30​ is.
| 13 | 6 | 11 |

| 8 | 10 | 12 |

| 9 | 14 | 7 |

What is a magic square?

A magic square is a square grid filled with consecutive integers in a way that all rows, columns, and diagonals have the same sum, known as the magic constant.

Here,
To complete the given magic square with consecutive numbers from 6 to 14 having a magic constant of 30, we can follow these steps:

Step 1: Write the partially filled magic square:

Step 2: Calculate the sum of the known numbers:

Step 3: Calculate the sum of the missing numbers:

Step 4: Distribute the missing numbers in the empty cells in a way that the sum of all rows, columns, and diagonals is equal to the magic constant of 30.

We know that the center cell must be 12, because it is the only cell that can be part of three different diagonals.

We can check that all rows, columns, and diagonals add up to 30:

| 13 | 6 | 11 |

| 8 | 10 | 12 |

| 9 | 14 | 7 |

Learn more about magic square here:

https://brainly.com/question/28675556
#SPJ2


The area of this rectangle is 3x2. What does the coefficient 3 mean in terms
of the problem?
width x
length 3x

Answers

Answer:

the answer is 3x the width

What is the value of y?

Answers

Answer:

C

Step-by-step explanation:

Exterior angle equals the sum of opposite interior angles

y + y = 130

2y = 130

Divide both sides by 2

y = 130/2

y = 65

Answer:

C.65

Step-by-step explanation:

The sum of two interior angles in a triangle is equal to an exterior angle that is supplementary to the third interior angle

y+y = 130

2y = 130 divide both sides by 2

y = 65

in which figure , AB || CD . determine x​

Answers

☝︎☝︎☝︎☝︎☝︎

[tex]{\underline{\fcolorbox{White}{yellow}{ANSWER♥︎}}}[/tex]See the attachment☝︎☝︎☝︎....

13.6 divided by 0.81 simplified.

Answers

Answer:

16.8

Step-by-step explanation:

It costs $10 to play football for one-half hour. How many 10-dollars bills do we need to play football for 6 hours?

Answers

Answer:

12

Step-by-step explanation:

how many half hours in 6 hours ?

it is

6/(1/2) = 6/1 / 1/2 = 6×2 / 1/1 = 12 / 1 = 12

Someone, please help me on this one

Answers

Answer:

D

Step-by-step explanation:

(f + g)(x)

= f(x) + g(x)

= 4x² + 7x - 3 + 6x³ - 7x² - 5 ← collect like terms

= 6x³ - 3x² + 7x - 8

Answer:

D. (f + g )( x ) = 6x³ - 3x² + 7x - 8

Step-by-step explanation:

Given :-

f ( x ) = 4x² + 7x - 3.g ( x ) = 6x³ - 7x² - 5.

To Find :-

( f + g ) ( x ).

Solution :-

(f + g )( x ) = 4x² + 7x - 3 + 6x³ - 7x² - 5.

Arranging like terms.

(f + g )( x ) = 6x³ - 7x² + 4x² + 7x -5 - 3

Combine like terms.

(f + g )( x ) = 6x³ - 3x² + 7x - 8

Please help as soon as possible.

Answers

Answer:

C = 37.6991

Step-by-step explanation:

The equation for the circumference of a circle is given: C = π · d

where, d is the diameter of the circle.

Plug in the value of d = 12 and use the π button on the calculator.

C = π · 12

C = 37.6991

Answer: 12 π
The formula for circumference of a circle is 2 πr and the radius is half the diameter so substituting in it would be 2 π(6) which equals 12 π in exact form

ASAP please help meeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

1/16 + 1/2 = 1/16 + 8/16 = 9/16

a room in a form of a cuboid has a length of 5cm, height 8cm and breadth 0.07m. if one person can occupy a volume of 14cm3(cube). what is the maximum number of people needed to fill the room​

Answers

Answer:

20 people

Step-by-step explanation:

The volume of a cuboid is equal to length * breadth * height.

First, we want to figure out the values relative to each other. Everything is in centimeters except the breadth, which is 0.07m. To convert meters to centimeters, we can multiply by 100: 0.07 * 100 = 7, so the breadth is 7cm.

Next, the volume is  length * breadth * height = 5cm * 7cm * 8cm = 280cm³. Each person occupies 14cm³. To find how many people can occupy the cube, we can divide the volume by the space each person takes, so

280cm³/14cm³ = 20 people

Note that we can divide because each person takes x amount of space, and the total space, z, can be represented by x * y = z, with y representing the amount of people, because we add x space for each person. Dividing both sides by x, we get y = z/x

help please i’m so desperate

Answers

You're fairly close but not 100% correct.

This function is logarithmic simply because of the presence of "log" in the notation. So you're correct with that statement.

However, we have a vertical asymptote and not a horizontal one. Note how the green function approaches but never touches x = 2. This is a vertical electric fence of sorts. This is due to the fact that log(x) cannot have x = 0. So log(x-2) cannot have x = 2. We can't have x < 2 either.

So you'll need to change that '3' to '2' without quotes of course.

The range is correct. The function can spit out any y value we want. So the range is the set of all real numbers, or we could say -infinity < y < infinity which translates to the interval notation you wrote. The function is increasing because we're going uphill when moving to the right.

The domain is not correct. The domain would be x > 2 to represent the possible x inputs. We can plug in anything larger than 2. The inequality x > 2 translates to the interval notation [tex](2, \infty)[/tex]

The end behavior portion is half correct. The left side end behavior should be [tex]\text{ as } x \to 2, \ y \to -\infty[/tex] to represent the idea of getting closer to that electric fence and going off to negative infinity (down the page forever). We don't have x approaching negative infinity because we can't go beyond that fence. The end behavior on the right side is correct.

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

So the answers would be

The function f(x) is a logarithmic function with a vertical asymptote x = 2. The range of the function is [tex](-\infty, \infty)[/tex] and it is increasing on its domain of [tex](2, \infty)[/tex]. The end behavior on the left side is [tex]\text{ as } x \to 2, \ y \to -\infty[/tex] and the end behavior on the right side is [tex]\text{ as } x \to \infty, \ y \to \infty[/tex]

Check out the attached image below.

whose perfect square should be added to the sum of the greatest three-digit prime number and the smallest two-digit prime number, so that the resultant number is perfect square of 32?​

Answers

The greatest 3 digit prime number is 997 and the smallest 2 digit prime number is 11. 997+11 = 1008

32^2 = 1024

1024-1008 = 16.

root(16) = 4

Point A(3,8)
and point B(−1,1)
are located within the coordinate plane.
what is the distance from A to B?

Answers

Answer:

[tex]\displaystyle d = \sqrt{65}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Coordinates (x, y)

Algebra II

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

Step-by-step explanation:

Step 1: Define

Identify

Point A(3, 8)

Point B(-1, 1)

Step 2: Find distance d

Substitute in points [Distance Formula]:                                                         [tex]\displaystyle d = \sqrt{(-1 - 3)^2 + (1 - 8)^2}[/tex][√Radical] (Parenthesis) Subtract:                                                                   [tex]\displaystyle d = \sqrt{(-4)^2 + (-7)^2}[/tex][√Radical] Evaluate exponents:                                                                       [tex]\displaystyle d = \sqrt{16 + 49}[/tex][√Radical] Add:                                                                                                 [tex]\displaystyle d = \sqrt{65}[/tex]

Answer:

8.1

Step-by-step explanation:

the person who posted before was correct! they just forgot to change the format of the answer, see their response for an accurrate explanation :)

98 divide by 76
76 multiple by 86​

Answers

Answer:

98/76= (rounded to the nearest thousandth) 1.289.

f(x) = -22 – 14
Find f(9)

Answers

Answer:

-4

Step-by-step explanation:

f(9)=-22-14

f(9)=-36

f multiplied by 9divide by 9=-36divide by 9

f=-4

Simplify (x-4)(3x^3-6x+2)​

Answers

Answer:

Step-by-step explanation:

[tex](x-4) (3x^{3} -6x+2)[/tex]

= [tex]3x^{4} -6x^{2} +2x -12x^{3} +24x-8[/tex]

= [tex]3x^{4} -12x^{3} -6x^{2} +26x-8[/tex]

I hope this helps and the working out is clear.  :)

FOR EASY BRAINLIEST ANSWER AND EXPLAIN!! ASAP

QUESTION: A 30minute radio program, the entertainment portion lasts 2 minutes longer than 3 times the duration of the commercial portion. How much is devoted to commercials during the 30 minutes

Answers

Answer: 9 1/3 minutes
First create an equation with the given information; with x being the commercial time, 30=3x+2, now solve for x. First subtract 2 from each side and get 28=3x and then divide each side by 3 to get 9 and 1/3 minutes.

The doubling time of a population of flies is 5 hours. By what factor does the population increase in ​29 hours? By what factor does the population increase in ​3 weeks?

Answers

Answer:

If it doubles every 8 hours then

population = initial population * 2 ^ (hours / 8)

********************************************---------

after 26 hours

population increases by a factor of

2 ^ (26 / 8) = 9.51365692

************************************************--------

after 1 week, or 168 hours

population increases by a factor of

2 ^ (168 / 8) = 2 ^ 21 = 2,097,152

Use the formula to compute Isabel’s monthly loan payment, assuming that she makes a down payment of $5,000. Recall that the table shows she’ll finance $16,950, and her interest rate is 4.3%.

Type the correct answer in the box. Round the answer to the nearest dollar.

Isabel’s monthly loan payment will be about $
.

Answers

Answer:

314

Step-by-step explanation:

unit activity

find the two rational number between -2 and-1​

Answers

Answer:

-3/2, -7/4

Step-by-step explanation:

The numbers have to be negative, and two rational numbers between -1 and -2 are -1.5 and -1.75 and fortunately for us, both are rational (can be expressed as fractions), -1.5 = -3/2 and -1.75 = -7/4

HPH (Happy to help)

2) Find the sum of the first 50 terms of the
following series, to the nearest integer.
6, 10, 14,...

Answers

Answer:

The sum of the first 50 is 5200

Step-by-step explanation:The given sequence is a linear sequence.

So, first we calculate the common difference

d=t2-t1

d=10-6=4

The sum of the first 50 terms is then calculated using: sorry it wont let me copy and paste my explo and im lazy

Answer:

5,200

Step-by-step explanation:

6, 10, 14, ...

Sum = [ number of terms(first term+last term) ] / 2

-we know there are 50 terms

-we now the first term is 6

-we need to find the last term

last term = first term + (n-1)* difference between first and second term

last term = 6 + (50-1) * (10-6)

last term = 6 + 49*4 = 202

Sum = [ number of terms(first term+last term) ] / 2

Sum = [ 50 ( 6 + 202) ] / 2 = 5,200

how do solve this problem

Answers

Answer:

vertically opposite angles are equal

3x+112°=5x+100°

112°-100°=5x-3x

12°=2x

12°÷2=2x÷2

6°=x

therefore x=6°

Step-by-step explanation:

hope this is helpful

Answer:

x = 6

Step-by-step explanation:

The 2 angles are vertically opposite and are congruent, so

5x + 100 = 3x + 112 ( subtract 3x from both sides )

2x + 100 = 112 ( subtract 100 from both sides )

2x = 12 ( divide both sides by 2 )

x = 6

ASApppppppppppppppppppppppppppppppppppppp

Answers

Answer:

15/8

Step-by-step explanation:

Skip. Flip. Multiply.

- 1/3 becomes 3/1.

3 * 5 is 15.

8 * 1 is 1.

Negatives cancel out.

Answer:

=

[tex] \frac{ 15}{8} [/tex]

That's the answer

Sarah earned 45 1/2 dollars in 5 3/4 minutes. What is the unit rate in dollars per
minute?

Answers

Answer:

7 21/23 dollars per minute

Step-by-step explanation:

Total amount Sarah earns = 45 1/2 dollars

Time taken to earn = 5 3/4 minutes

What is the unit rate in dollars per

minute?

unit rate in dollars per

minute = Total amount Sarah earns / Time taken to earn

= 45 1/2 ÷ 5 3/4

= 91/2 ÷ 23/4

= 91/2 × 4/23

= (91 * 4) / (2 * 23)

= 364/46

= 7 42/46

= 7 21/23 dollars per minute

unit rate in dollars per

minute = 7 21/23 dollars per minute

There were some adults and children at the party. For every 3 adults, there 11 children. There were 32 more children than adults. How many adults were at the party?

Answers

Answer:

12 adults

Step-by-step explanation:

Given that :

Let :

Number of children = x

Number of adult = y

x = 32 + y - - - - - (1)

Ratio of adult to children

3 : 11

x = (11/3)y - - - (2)

Put x = 11/3y in (1)

(11/3)y = 32 + y

11y/3 - y = 32

(11y - 3y) / 3 = 32

11y - 3y = 32 * 3

8y = 96

y = 96/8

y = 12

Hence, number of adults = 12

Identify the decay factor in the function. g(x)=100•(2/3)^x

Answers

Answer:

1/3

Step-by-step explanation:

Make x the subject of the formula y=4x²-2​

Answers

Step-by-step explanation:

y=4x²-2y+2=4x²√(y+2)/4=xx=√(y+2)/4

hope it helps.stay safe healthy and happy....

What is the y-intercept of the line 2x-4y=8

Answers

Answer:

The y intercept is -2

Step-by-step explanation:

Hi there!

We want to find the y-intercept of the line 2x-4y=8

The y-intercept is the point in where the line passes through the y axis. This means that the value of x at the y intercept is 0.

So substitute 0 as x into the equation

2(0)-4y=8

Multiply

0-4y=8

Simplify

-4y=8

Divide both sides by -2

y=-2

The y intercept is -2. If you need it as a point, it's (0, -2)

Hope this helps!

Help Please!!!
Find The Lateral surface area of this cylinder

Answers

Answer:

LSA = 56.5 cm²

Step-by-step explanation:

LSA = 2πrh

LSA = 2π(3)(3)

LSA = 56.5 cm²

SOMEONE HELP ME PLEASE

Answers

Answer:

0.6/7 is the answer.....

Answer:

what are the answer choices

Step-by-step explanation:

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