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V125BC [204]
2 years ago
12

Express the complex number in trigonometric form. -2 (1 point)

Mathematics
1 answer:
Anna007 [38]2 years ago
7 0
The complex number would turn into 2(cos -pi+i sin -pi)
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Can someone help me with this problem!
GalinKa [24]

C. -1

Hope this helps! :)

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4 0
2 years ago
Read 2 more answers
(3x²+3x+5)+(7x²-9x=8)=10x²-12x=13
Brilliant_brown [7]

The value of x is equal to -5/6

To solve this question, we have to add two polynomials together. The polynomials are;

  • 3x^2+3x+5
  • 7x^2-9x=8
<h3>Addition of Polynomials</h3>

This involves adding of two or more different polynomials together. The polynomials adding together are or must be of the same degree. i.e x^2 must add to another coefficient of x^2 and x^3 adds to another coefficient of x^3 and so on.

In this given question, let's add the polynomials together.

(3x^2+3x+5) + (7x^2-9x = 8\)\\3x^2 + 7x^2 + 3x-9x+5-8 =10x^2-6x-3

Now, let's equate this with the last polynomial given

10x^2-6x-3=10x^2-12x-13\\10x^2-10x^2-6x+12x-3+13\\0+12x+10\\12x=-10

Let's solve for x

12x=-10\\x=-\frac{10}{12}\\x = -\frac{5}{6}

The value of x is equal to -5/6

Learn more on addition of polynomials here;

brainly.com/question/4142886

8 0
2 years ago
What must be added to a^2+3/5a​
kolezko [41]
This question doesn’t really make sense- is it multiple choice, if so what are the options? A can be anything as long as it’s the same?
3 0
2 years ago
To determine whether or not they have a certain disease, 150 people are to have their blood tested. However, rather than testing
Sophie [7]

Answer:

The answer is 75 tests for 150 people.

Step-by-step explanation:

Firstly, with 150 people, we can divide into 15 groups; and the probability of disease is 0.04, there are 6 persons who possibly get disease.

Therefor, the maximum number of groups with an individual getting disease is 6. Then, 6 * 11 tests = 66 tests required.

15 groups - 6 groups with disease = 9 groups of negative with 9 tests.

In conclusion, there are 75 tests required.  

 

7 0
3 years ago
The function is defined by ()= −2+6. What is the value of (10)?
kirill115 [55]

Answer:

x

Step-by-step explanation:

4 0
2 years ago
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