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White raven [17]
3 years ago
12

What is the additive inverse of the complex number 13-2

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0

Answer:

-13 + j*2

Step-by-step explanation:

The additive inverse of a complex number x = a +j*b

is a number y, such that

x + y = 0

This means that

y = -x = - a - j*b

Therefore

The additive inverse of 13 - j*2 is equal to

-(13 - j*2) = -13 +j*2

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URGENT IT'S LITERALLY A REALLY IMPORTANT QUESTION!!!
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Diameter- The line that goes through the circle is the diameter to find the diameter take the radius and multiply it by two

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5 0
3 years ago
A swimming pool is 15 by 30 feet and a consistent 5 feet deep. you are painting the walls and floor of the pool. if a gallon can
lukranit [14]

the bottom of the pool is 15 x 30 = 450 sq feet.

 you the have 2 walls that are 30 x 5 = 150 x 2 = 300 square feet

 then 2 walls that are 15 x 5 = 75 x 2 = 150 square feet

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8 0
3 years ago
Mis Brown graded 84 papers. If the ratio of science papers to math papers is 2:10 how many math papers did she grade?​
mr Goodwill [35]

Answer:

70

Step-by-step explanation:

2 + 10 = 12

84 ÷ 12 = 7

7 x 10 = 70

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5 0
3 years ago
I need help on this homework because I'm so stuck on this can you please help me
Svetlanka [38]
I answered ALL your 15 problems. Sorry, I took long.
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7 0
3 years ago
The steps to derive the quadratic formula are shown below:
Georgia [21]

Answer: x+\frac{b}{2a}=\pm \frac{\sqrt{b^2 - 4ac}}{\sqrt{4a^2}}

Step-by-step explanation:

We can rewrite the left hand side as a perfect square, more specifically

\left(x+\frac{b}{2a} \right)^2

So, taking the square root of both sides,

x+\frac{b}{2a}=\pm \frac{\sqrt{b^2 - 4ac}}{\sqrt{4a^2}}

3 0
2 years ago
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