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2 years ago

This Is my questionnnnnnnnnnnnnnnnnnn ANSWER IT RIGHT REEEEEE

Mathematics

2 answers:

joja [24]2 years ago

8 0

Answer:

25/8

Step-by-step explanation:

yes R e E e E e E e E e

3 x 8 = 24 + 1 = 25 = 25/8

Oksanka [162]2 years ago

6 0

Yasss Queen thx I❤️U you da best

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taurus [48]

Answer:

$x^2 - 2x + 10$ , option B

Step-by-step explanation:

Complex numbers:

The most important relation that involves complex numbers is given by:

$i^2 = -1$

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this question:

The solutions are:

$x_1 = 1 - 3i, x_2 = 1 + 3i$

We have to find the polynomial. All option have $a = 1$ . So

$(x - (1 - 3i))(x - (1 + 3i)) = x^2 - x(1 + 3i) - x(1 - 3i) + (1 - 3i)(1 + 3i) = x^2 - x -3ix - x + 3ix + 1^2 - (3i^2) = x^2 - 2x + 1 - 9i^2 = x^2 - 2x + 1 - 9(-1) = x^2 - 2x + 10$

The correct answer is given by option b.

6 0

3 years ago

What is the algebraic expressions of 8-6k

Komok [63]

Eight decreased by six times the number k

The difference of eight and the product of six and the number k

Eight minus six times k

Six multiplied to k is less than 8

4 0

2 years ago

The ratio of the measures of the three angles in a triangle is 9:3:6.

Alex

Step-by-step explanation:

this is how you solve it :)