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3 years ago

Which of the following is a complex number?

Mathematics

2 answers:

Bogdan [553]3 years ago

4 0

The answer is 4 + 3i

It is the only one there with a $\sqrt{-1}$ or i

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const2013 [10]3 years ago

3 0

Answer: First option is correct.

Step-by-step explanation:

Since we have given that

Complex number is the number which contains real number along with imaginary number in the form of a+bi.

It is shown by "Argand plane" in which x-axis represents real number and y-axis represents imaginary number .

Hence, according to option,

4+3i is the only complex number as it has one real number a = 4 and one complex number b =3.

Hence, First option is correct.

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Alisiya [41]

Answer:

12000000000000

Step-by-step explanation:

4 0

3 years ago

What is the slope of line a?

EastWind [94]

Given:

The graph of a line a.

To find:

The slope of the line a.

Solution:

Slope formula:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

From the given graph it is clear that the line a passes through the points (-1,1) and (0,-2). So, the slope of the line a is:

$m=\dfrac{-2-1}{0-(-1)}$

$m=\dfrac{-3}{1}$

$m=-3$

The slope of the line a is -3. Therefore, the correct option is C.

6 0

3 years ago

What is 246000000 in standed form need to know whit in 15 min

11Alexandr11 [23.1K]

Answer:

2.46×10^8

Step-by-step explanation:

The decimal point is here

246000000.

Then it must be moved up to here

2.46000000

Those are eight steps from where it was, so to compensate and make sure the number remains the same remove the zeros and multiply by 10^8

Then you have

2.46×10^8

3 0

3 years ago

4/7 is the result when 1/2 and ex are added what is the value of X

Margaret [11]

Answer:

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Step-by-step explanation:

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3 years ago

What is 3 tenths in number form

PolarNik [594]

I think it would be 0.3

7 0

3 years ago

Read 2 more answers