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3 years ago

Cual propiedad de los números complejos se muestran a continuación?

1 answer:

4 0

Las "leyes asociativas" dicen que no importa cómo agrupemos los números (es decir, cuál calculamos primero). Entonces esto sería asociativo.

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69 points!!!

Amiraneli [1.4K]

Answer:

C) The solution for the given system of equations are A(0,-5) and B(-4,3)

Step-by-step explanation:

The given system of equation are : $x^{2} + y^{2} = 25\\2x + y = -5$

from equation 2, we get y = -5 - 2x .

Put the above value of y in the equation (1).

We get: $x^{2} + y^{2} = 25 \implies x^{2} + (-5-2x)^{2} = 25$

By ALGEBRAIC IDENTITY:

$(a+b)^{2} = a^{2} + b^{2} + 2ab\\ (-5-2x)^{2} = (-5)^{2} + (-2x)^{2} + 2(-5)(-2x)$

or, $x^{2} + (-5-2x)^{2} = 25 \implies x^{2} + (25 + 4x^{2} + 20x) = 25$

or, $5x^{2} + 20x = 0 \implies x(5x + 20) = 0$

⇒ x = 0 or, x = -20/5 = -4

So, the possible values for x are: x = 0 or x = -4

If x = 0, y = -5-2x = -5-2(0) = -5

and if x = -4, y = -5 -2(-4) = -5 + 8 = 3

Hence, the solution for the given system of equations are A(0,-5) and B(-4,3)

8 0

3 years ago

Find the Coordinates for Point E.

slava [35]

Answer:

The coordinates for point E are (0, 1.5)

Hope this helps!!

7 0

3 years ago

K means vs k medoids are the same when data set is large

Hitman42 [59]

<span>K-means clustering is a data mining learning algorithm used to cluster observations into groups of related observation without any prior knowledge of those relationships.
Hope this Helpful !</span>

6 0

3 years ago

How many times can 10 go into 111? lol i need help

ikadub [295]

Answer:

11.1 times

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

How would I solve n^2=2n

lidiya [134]

Answer: n=0 or n=2

Step-by-step explanation: Step 1: Subtract 2n from both sides.

n²−2n=2n−2n

n²−2n=0

Step 2: Factor left side of equation.

n(n−2)=0

Step 3: Set factors equal to 0.

n=0 or n−2=0

n=0 or n=2

5 0

3 years ago