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3 years ago

20 POINTS HELP ASAP

Mathematics

1 answer:

Anon25 [30]3 years ago

6 0

Answer:

Step-by-step explanation:

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Which of the following is an example of a complex number that is not in the set of real numbers?

ExtremeBDS [4]

A complex number has a real and an imaginary part

$4 + 9i$ is a complex number

A complex number is represented as:

$a + bi$

Where:

$a \to$ real

$bi \to$ imaginary

By comparing the options to $a + bi$ ;

$-7$ and $2 + \sqrt 5$ are not complex numbers

This is so because they do not have imaginary parts

However,

$4 + 9i$ is a complex number

Because; 9i is imaginary

Read more about complex numbers at:

brainly.com/question/19007885

8 0

2 years ago

Help please brainliest

serg [7]

Answer:

d.4x - 6

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

What is 23.791 rounded to the nearest tenth?

sergejj [24]

The nearest tenth would be the first decimal place, so the answer would be 23.8

6 0

3 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Harrizon [31]

Answer:

(2*10*10)(3.6*10*10*10*10*10*10*10*10*10)=

200*3600000000=

=720000000000

Step-by-step explanation:

i think this is what your looking for if not then sorry

4 0

3 years ago

Read 2 more answers

Rewrite! Write an new and equivalent equation that is easier to solve

Marysya12 [62]

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

Given - an equation in a standard form

To do - simplify the equation so as to obtain an easier one

Since the equation provided isn't in it's general form , let's first convert it ~

General form of a Linear equation -

$\bold{ax + b = 0}$

The equation after getting converted will be as follows ~

$- 7 + ( \frac{4x + 2}{2} ) = 8 \\ \\ \implies \: \frac{ - 14 + 4x + 2}{2} = 8 \\ \\ \implies \: - 14 + 4x + 2 = 16 \\ \\ \implies \: 4x = 16 + 14 - 2 \\ \\ \implies \: 4x = 28 \\ \\\bold{ General \: form \: \dashrightarrow \: 4x - 28 = 0}$

hope helpful ~

6 0

2 years ago