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Roman55 [17]
2 years ago
12

A subtract 3g^2 + 5g + 2g - 2 from 6g^2 + 6 - 4g + 2g^2

Mathematics
1 answer:
vodka [1.7K]2 years ago
4 0

1. Collect like terms.

(6g^2+2g^2-3g^2)+(6-2)+(-4g+5g+2g)

2. Simplify

5g^2+4+3g

Sorry i'm hoping that helps, i'm on a school computer i cant see the picture you attached but i did 6g^2 + 6 - 4g + 2g^2 - 3g^2 + 5g + 2g - 2 because that's what it seemed you were asking.

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Let f(x)=9x^3-12x^2-31 and let g(x)=3x-1. Find f(x)/g(x)
kumpel [21]

Answer: f(x)/g(x) = 3x^2 + 6x - 2 - 12/3x+1

Step-by-step explanation:

The first function is f(x) = 9x^3+21x^2-14

The second function is g(x) = 3x+1

     f(x)/g(x = 9x^3+21x^2-14/3x+1

We perform the long division as shown in the attachment to obtain the quotient as: Q(x) = 3x^2+6x - 2 and remainder R = -12

Therefore f(x)/g(x) = 3x^2 + 6x - 2 - 12/3x-1

   Where x does not = -1/3

6 0
2 years ago
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What countries do not use the metric system?
Georgia [21]
Burma,Liberia<span> and the </span><span>United States</span>
4 0
3 years ago
1. Si las notas de Esteban en una asignatura son: 3, 4, 6, 3, 5, 5, 6, 3, 4 y de estas notas se cambia un 6 por un 7, ¿cuál(es)
Andru [333]

Responder:

Media

Explicación paso a paso:

Primero debemos saber que cambiar el valor de 6 a 7 no puede cambiar la mediana y la moda de los datos, ya que la moda es el valor que más ocurre, que es 3, mientras que la mediana es el valor tq en el medio después del reordenamiento.

La única medida de tendencia que cambiará es la media (datos promedio)

Vamos a revisar

Encuentra la media de dos datos originales

Media = 3, + 4, + 6 + 3, + 5 + 5 + 6 + 3 + 4/9

Tamaño de muestra = 9

Media = 39/9

Media = 4,33

Si uno de los 6 se reemplaza por 7, la media se convierte en

Media = 3, + 4, + 6 + 3, + 5 + 5 + 7 + 3 + 4/9

Tamaño de muestra = 9

Media = 40/9

Media = 4,44

Podemos ver que cambió el valor medio. Por tanto, la respuesta correcta es la media.

7 0
3 years ago
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ASAP!!! LOOK AT THE IMAGE FOR THE GRAPH AND ANSWER CHOICES!! PLEASE HELP URGENT!!
m_a_m_a [10]

Answer:

The answer is D.

4x + y = 2

x - y = 3

____________

When given a graph with an intersection of two lines, first locate the y-intercept (the point where x = 0) of each line, and then find it's slope by evaluating its change in y over the change in x.

It is also possible to eliminate the incorrect systems using substitution when given a point of intersection.

For example, as the point of intersection is apparent on this graph, you can substitute these coordinates from the graph into each of the systems of equations given in the choice answers to verify it.

For it to be a solution, it must satisfy (make true) both equations of the system.

(a, b) : (x, y)

Given that (1,-2) is our point of intersection according to the graph.

Choice A is incorrect because (1, -2) → x + 4y = 3 → (1) + 4(-2) = 3 → 1 + (-8) = 3 →

1 - 8 = 3 → -7 ≠ 3.

And (1, -2) → x + y = 2 → (1) + (-2) = 2 →

-1 ≠ 2.

It is already incorrect as one of the

equations in this system do not satisfy the coordinate.

Choice B is also incorrect because

(1, -2) → x + 4y = 2 → (1) + 4(-2) = 2 →

(1) + (-8) = 2 → 1 - 8 = 2 → -7 ≠ 2.

And (1, -2) → x + y = 3 → (1) + (-2) = 3 →

1 - 2 = 3 → -1 ≠ 3.

Lastly, Choice C is incorrect because

(1, -2) → 4x + y = 3 → 4(1) + (-2) = 3 →

4 + (-2) = 4 - 2 = 3 → 2 ≠ 3.

And (1, -2) → x - y = 2 → (1) - (-2) = 2 →

1 + 2 = 2 → 3 ≠ 2.

Therefore D is correct because it is the last answer remaining.

Also here is proof:

(1, -2) → 4x + y = 2 → 4(1) + (-2) = 2 →

4 + (-2) = 2 → 4 - 2 = 2 → <u>2 = 2</u>

So one equation fits the coordinate, but this cannot yet be verified as the working system unless both equations fit the point.

So (1, -2) → x - y = 3 → (1) - (-2) = 3 →

1 + 2 = 3 → <u>3 = 3</u>

Now we can say that this is the working system.

_____________________________

The next method involves strong observation of the graph to find both equations in slope-intercept form and then back into standard form to find a match of the choice answers as both systems are in standard form (Ax + By = C)

With the first line, it has a y-intercept of 2 because this is where it crosses the y-axis when x = 0. It also has a slope of -4 because it goes down 4 units every 1 unit to the right. This means that the first line has an equation of y = - 4x + 2.

Slope intercept form is the form y = mx + b where m is the slope( rise over run/change in y over change in x) , and b is the y-intercept (where x = 0).

The next line has a y-intercept of -3 because this is where it crosses the axis, and where x = 0. This also has a slope of 1 because it rises by 1 every run or goes up 1 unit every 1 unit to the right. therefore the second line has an equation of y = x - 3.

4 0
3 years ago
Find the surface area of the square pyramid
love history [14]

Answer:

<h2> 341 m²</h2><h2 />

Step-by-step explanation:

surface area of a square base pyramid = base area + 4 ( triangular sides area)

where:

base = 11 m

side height length = 10 m

Surface area = 11² + 2(11)10

                     = 121 + 220

                     = 341 m²

8 0
2 years ago
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