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Black_prince [1.1K]
4 years ago
9

I got this wrong please help me get the right answer in the first little box marked in red. thx

Mathematics
1 answer:
VashaNatasha [74]4 years ago
5 0

Answer:

The inverse is 1/2x +2

Step-by-step explanation:

f(x) = 2x-4

y= 2x-4

To find the inverse

Exchange x and y

x = 2y-4

Solve for y

Add 4 to each side

x+4 = 2y

Divide by 2

x/2 + 4/2 = 2y/2

1/2x +2 = y

The inverse is 1/2x +2

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Factor completely: 16x2 + 40x + 25
djverab [1.8K]
1. Factor by grouping: (16x^2+20x)(20x+25)
2. 4x(4x+5)+5(4x+5)
3. (4x+5)(4x+5)
4. (4x+5)^2
8 0
4 years ago
Read 2 more answers
10x + 2 - 3x = 3(2x + 2)
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

So first you got to simlipy both sides of the equation.Like this:

10x-3x+2=6x+6

7x+2=6x+6

Then you have to move the variables to one side and the other nums to the other side:

7x-6x = 6 -2

Then you have to simplify.

x = 4

Hoped it helped!

5 0
3 years ago
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Write the equation of the line that passes through the given points.<br> (0,5) and (-2,-4)
Sati [7]

Answer:

y=\frac{9}{2}x+5

Step-by-step explanation:

To find the equation of the a line that passes through the two given points, we must first find the slope between the two points. We can do this by using the slope formula. The slope formula is:

m=\frac{y_2-y_1}{x_2-x_1}

where m is the slope and (x₁, y₁) and (x₂, y₂) are two points.

By plugging in (-2, -4) and (0, 5) for (x₁, y₁) and (x₂, y₂) respectively, we get:

y=\frac{5-(-4)}{0-(-2)}=\frac{9}{2}

So the slope is 9/2. Now we that we have found the slope, we can write an equation. Normally, when we are given two points, we would pick one of the points and plug it into the point-slope form and then solve for slope-intercept form. Here, notice that one of the points give, (0, 5), is the y-intercept. Knowing this, we can plug in 5 for the y-intercept into the slope-intercept form to get our equation. Remember, slope-intercept form is:

y = mx + b

where m is the slope and b is the y-intercept.

Pugging in 9/2 for m and 5 for b we get:

y=\frac{9}{2}x+5

which would be our equation.

I hope this helps. Happy studying.

3 0
4 years ago
The following set of random numbers represents 20 simulations of three daily
babunello [35]

The number of simulations in which was there was an on-time departure for all three flights is; 6

<h3>How to carry out number simulations?</h3>

We are given;

Number of Simulations = 20

Numbers that represent late departure = 0, 1, 2 or 3

Numbers that represent On-time departure = 4, 5, 6, 7, 8 or 9.

Now, the 20 simulations as seen online are;

339 931 317 444 432 858 194 192 649 709

742 626 702 258 955 880 505 854 774 132

To know the number of simulations that were on-time departure, we need to find the ones that don't include 0, 1, 2 or 3.

Looking at the simulations, the ones that represent on-time departure are 444, 858, 649, 955, 854, 774.

Thus, there are 6 simulations in which was there an on-time departure for all three flights

Read more about Number Simulations at; brainly.com/question/1459420

#SPJ1

3 0
2 years ago
Which term describes the lines that intersect at a 90 angle
ICE Princess25 [194]
It's called a perpendicular line
5 0
3 years ago
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