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nata0808 [166]
3 years ago
8

What is (3x-5)+(-4x+1)

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0

Answer:

-x-4

Step-by-step explanation:

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1. Los hoteles están clasificados por estrellas de 1 a 5 de acuerdo con la ubicación, atención servicios y lujos que proporcione
igor_vitrenko [27]

Answer:

El orden de menor a mayor es:

1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4

La mediana es 3.

Step-by-step explanation:

En la ciudad se hizo la relación de hoteles según la lista de estrellas, la cual se ordena de menor a mayor. Entonces, el orden determinado es:

1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4

La mediana de un conjunto de números es el número medio en el conjunto, una vez que los números han sido ordenados de menor al mayor, o, si hay un número par de datos, la mediana es el promedio de los dos números medios.

En este caso el conjunto posee 38 datos. Cuando el número de observaciones es par es posible calcular la mediana como:

Mediana=\frac{n+1}{2} donde n es la cantidad de observaciones.

Entonces:

Mediana=\frac{38+1}{2}

Mediana= 19.5

Esto indica que el valor de la mediana se encuentra en la observación cuya posición esta entre la 19 y la 20.  Entonces el valor de la mediana será una media de los valores que están en la posición 19y 20. Estos números son 3 y 3. La media entre estos dos números es:

\frac{3+3}{2} =3

<u><em>La mediana es 3.</em></u>

5 0
2 years ago
Read 2 more answers
The area of a circle is 1441 m2.<br> What is the diameter of the circle?
gregori [183]

Hey there! I'm happy to help!

The area of a circle is the radius squared multiplied by pi (we will use 3.14). We already have the area, so we will go backwards.

1441÷3.14≈458.9171975

We find the square root.

√458.9≈21.42235275

Now we have our approximate radius. The diameter is twice the radius.

21.42235275×2=42.8447055

I don't know exactly if they want you to round it or not, but the diameter is somewhere around there.

Have a wonderful day! :D

6 0
3 years ago
What is (4-10)(4-2)divided by 12+2
pshichka [43]
(-6)times 2/ 12/2
(-6) times 1/12
-.5 is the correct answer 
6 0
3 years ago
Read 2 more answers
Assume that you have saved $2,000 for the purchase. How much of this money will you be able to put towards the purchase price of
nexus9112 [7]
<h3>What is Cost Price?</h3>

This refers to the price which a seller or a merchant purchased a good and this would be a good determinant to find out the selling price so that he could make a good profit.

<h3>Selling Price</h3>

This refers to the price which a good is sold and there are several factors which are taken into account such as:

  • Expenses
  • Cost Price, etc.

Mathematically, the<em> profit= </em>Cost price - Selling Price (Expenditure)

Please note that your question is incomplete so I gave you a general overview so that you could have a better understanding of the concept.

Read more about cost price here:

brainly.com/question/19104371

6 0
2 years ago
Please help
AVprozaik [17]
I personally think it's C I hope it's right if not I'm Sorry
6 0
3 years ago
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