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Marizza181 [45]
3 years ago
14

Simplify (4x-8)/(-3x)*(12)/(12-6x)

Mathematics
1 answer:
zloy xaker [14]3 years ago
7 0

\dfrac{4x-8}{-3x}\cdot\dfrac{12}{12-6x}=\dfrac{4(x-2)}{-x}\cdot\dfrac{4}{-6(x-2)}=\dfrac{4}{-x}\cdot\dfrac{4}{-6}\\\\=\dfrac{2}{-x}\cdot\dfrac{4}{-3}=\dfrac{(2)(4)}{(-x)(-3)}=\dfrac{8}{3x}

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Finding the average rate of change of g(z) =4x^2_5 between the points( -2,11) and (2,11
krok68 [10]

Answer:

The average rate of change of g(z) =4x^2_5 between the points( -2,11) and (2,11) is 0.

Step-by-step explanation:

Given a function y, the average rate of change S of y=g(z) in an interval  (z_{s}, z_{f}) will be given by the following equation:

S = \frac{g(z_{f}) - g(z_{s})}{z_{f} - z_{s}}

In this problem, we have that:

g(z) = 4z^{2} - 5

Between the points( -2,11) and (2,11).

So z_{f} = 2, z_{s} = -2

g(z_{f}) = g(2) = 4*(2)^{2} - 5 = 11

g(z_{s}) = g(-2) = 4*(-2)^{2} - 5 = 11

So

S = \frac{g(z_{f}) - g(z_{s})}{z_{f} - z_{s}} = \frac{11 - 11}{2 - (-2)} = \frac{0}{4} = 0

The average rate of change of g(z) =4x^2_5 between the points( -2,11) and (2,11) is 0.

3 0
3 years ago
Is there no help at all?
aev [14]

Answer:

Wait what do you mean

Step-by-step explanation:

8 0
4 years ago
when nicky tried to solve an equation using properties of equality, she ended up with the equation -3=-3. what equation mioght s
kicyunya [14]

Answer:

<em>2(x - 1) - 1 = 3(x + 1) - 6 - x</em>

<em>There are infinitely many solutions.</em>

Step-by-step explanation:

<u>Equations</u>

Suppose Nicky was trying to solve the equation

2(x - 1) - 1 = 3(x + 1) - 6 - x

Operating:

2x - 2 - 1 = 3x + 3 - 6 - x

2x - 3 = 2x - 3

Subtracting 2x:

-3 = -3

This equation is true regardless of the value of x, thus x can have any value. There are infinitely many solutions.

The same result could have come with these equations:

4x - 3 = -3 + 4x

4(x - 1) + 1 = 4(x + 1) - 7

7 0
3 years ago
How to tell if an equation is independent dependent or inconsistent?
Keith_Richards [23]
The example for an inconsistent system of equations:
x + 2 y = 10 and x + 2 y = 20. If we try to solve it algebraically:
x = 10 - 2 y; 10 - 2 y + 2 y = 20; 10 = 20 ( not true ). We will with something that is not true. Graph of those equations shows 2 parallel lines. Therefore the system is inconsistent.
The system is dependent when we have equivalent equations. For example:
2 x + y = 5 and 4 x + 2 y = 10. If we try to solve this system, we will end up with: 0 = 0 ( true ). The graph of this system shows the same line. This system is dependent.
Finally, if we have just one solution for the system of equations then the system is independent. For example: x + y = 5 and  - x + 2 y = 10. When we add those equations: 3 y = 15; y = 15 : 3; y = 5; x + 5 = 5; x = 0. So we have just one solution ( x , y ) = ( 0, 5 ). The system of equations is independent.
7 0
4 years ago
On a​ map,
defon
You need to multiply 14.6 and 4.5, so your answer is 65.7
8 0
3 years ago
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