6x2y + 4xy2 − 2y3 + 6) + (x2y + 3y3 − 5)

Answers

Answer 1
Answer:

Answer:

(7x²y + 4xy²+ y³ + 1) is the answer.

Step-by-step explanation:

We have to write the simplified form of the given expression.

(6x²y + 4xy² - 2y³ + 6) + (x²y + 3y³ - 5)

We will collect the similar terms first

(6x²y + x²y) + 4xy²- (2y³ - 3y³) + (6 - 5)

= 7x²y + 4xy²+ y³ + 1

Therefore, (7x²y + 4xy²+ y³ + 1) will be the answer.

Answer 2
Answer: 7x^2y+4xy^2+y^3+1 Thats the simplfied form

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Giselle graphs the function f(x) = x^2. Robin graphs the function g(x) = –x^2. How does Robin’s graph relate to Giselle’s?Robin’s graph is a reflection of Giselle’s graph over the x-axis.

Robin’s graph is a reflection of Giselle’s graph over the y-axis.

Robin’s graph is a translation of Giselle’s graph 1 unit down.

Robin’s graph is a translation of Giselle’s graph 1 unit left.

Answers

Robin's graph of the function g(x)=-x^2=-f(x) is the reflection of Giselle’s graph over the x-axis.

You can think in two ways:

1. For the function y=f(x), the sign minus before f(x) change the positive values of y into negative values. For example, f(2)=4 and g(2)=-4. This means that graphs of f(x) and g(x) are symmetric across the x-axis.

2. You can simply construct the table of values

and plot both graphs on the coordinate plane. From this diagram it is seen that graphs are symmetric over x-axis and Robin’s graph is a reflection of Giselle’s graph over the x-axis.

I graphed the functions using 1,2,3 as the value of x.

My answer would be: Robin’s graph is a reflection of Giselle’s graph over the x-axis.


Find the distance between the points.
​(​-2,4​) and ​(-2​,8​)

Answers

Answer:

4 units

Step-by-step explanation:

Given points:

  • (-2, 4)
  • (-2, 8)

As the x-coordinates of both points are the same, the two points line on the vertical line x = -2.

Therefore, to find the distance between the points, find the absolute value of the difference between their y-coordinates:

\textsf{Distance}=|4-8|=|-4|=4

Therefore, the distance between points (-2, 4) and (-2, 8) is 4 units.

Answer:

+4

Step-by-step explanation: 4y and 8y would be 4 away from each other in the positive direction starting from 4y to get to 8y, therefore the diatance between (-2,4) and (-2,8) is 4

(-8ab-8a+5) - (-3ab+8)

Answers

(-8ab - 8a + 5) - (-3ab + 8)
-8ab - 8a + 5 + 3ab - 8 (distrubute (-1))
-5ab - 8a - 3 (combine like terms)

understand?

PREGUNTA 5Una fábrica produce 300 rodamientos de apoyo a un costo de 3200 dólares, pero si produce 700 el costo es de $4800. Si se sabe que la relación del costo (C) y el número de rodamientos de apoyo (x) es lineal, obtenga una fórmula que exprese esta relación y calcule el costo de producir 950 rodamientos de apoyo.

Answers

Answer:

C = 4x + 2000 es la ecuación

El costo de los rodamientos de soporte 950 es de $ 5,800

Step-by-step explanation:

Esperamos una gráfica lineal de costo contra el número de rodamiento de respaldo.

Un punto en este diagrama tendrá una representación como (número de demoras, costo)

Ahora, a partir de la pregunta, podemos identificar dos puntos; (300,3200) y (700,4800)

Generalmente, la ecuación de una línea recta tiene la forma

y = mx + c

donde m es la pendiente y c es la intersección en y

Lo que esto significa en esta línea es que tenemos dos cosas para calcular, que es la pendiente de la línea y la intersección de la línea. Usando los dos puntos podemos calcular estos.

matemáticamente, la pendiente se puede calcular como;

tenemos m = (4800-3200) / (700-300) = 1600/400 = 4

Como conocemos la pendiente, el modelo lineal ahora se convierte en

y = 4x + c

Para obtener el valor de la intersección con el eje y, podemos usar cualquiera de los dos puntos. Digamos que queremos usar el primer punto (300,3200)

3200 = 4 (300) + c

3200 = 1,200 + c

c = 3200-1200

c = 2000

Así la ecuación se convierte

y = 4x + 2000

Ahora usemos los parámetros definidos en la pregunta, tenemos;

C = 4x + 2000

donde C es el costo yx es el número de rodamientos de soporte

Ahora queremos calcular el costo de 950 rodamientos

Simplemente usamos la ecuación que hemos modelado donde en este punto, x = 950

C = 4 (950) + 2000

C = $ 5,800

Find a 3 by 3 magic square using numbers 2,5,8,12,15,18,22,25,29

Answers

I could not get it to work with all of those numbers. The only number that caused an issue was 29. I used 28 instead and it worked. I'm not sure if 29 was a typo, but I couldn't get 29 to work. 

Final answer:

To create a 3 by 3 magic square using the given numbers, arrange them in a way that each row, column, and diagonal adds up to the same sum.

Explanation:

To create a 3 by 3 magic square using the given numbers, we need to arrange them in a way that each row, column, and diagonal adds up to the same sum. Let's examine the given numbers:




  1.  
  2. 2

  3.  
  4. 5

  5.  
  6. 8

  7.  
  8. 12

  9.  
  10. 15

  11.  
  12. 18

  13.  
  14. 22

  15.  
  16. 25

  17.  
  18. 29



Now, let's find a possible arrangement:




  1.  
  2. 8

  3.  
  4. 15

  5.  
  6. 2

  7.  
  8. 29

  9.  
  10. 22

  11.  
  12. 5

  13.  
  14. 18

  15.  
  16. 12

  17.  
  18. 25



In this arrangement, each row, column, and diagonal adds up to 54, making it a 3 by 3 magic square.

Learn more about 3 by 3 magic square here:

brainly.com/question/35446794

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Assign two variables for each problem, and write the equations. Do not solve.In the Alice High School band, the number of trumpet players is 4 times the number of French horn players. There are 35 trumpet and French horn players in the band. How many people play the trumpet?

Answers

Call the number of trumpet players "T" and the number of horn players "H".

We can use the given information to set up equations:

1."the number of trumpet players is 4 times the number of French horn players"
T=4H

2. "
There are 35 trumpet and French horn players in the band."
T+H=35

If you were asked to solve you could now do it by substitution:
4H+H=35
5H=35
H=7
T=4H
T=4(7)
T=28