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frosja888 [35]
3 years ago
7

Plz help!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Murljashka [212]3 years ago
6 0
For absolute values inequalities, you set up two equations:

x - 4 ≤ 7 and x - 4 ≥ - 7

Now, solve like regular by adding 4 to both sides. You are left with:

x ≤ 11 and x ≥ - 3

This translates to:

- 3 ≤ x ≤ 11

Option D is your answer. 
You might be interested in
Encuentra la ecuacion de la parabola con vertice en el origen y foco en las cordenadas 0,1en su forma ordinaria y general
marusya05 [52]

Answer:

x^{2}=4y

y=\frac{1}{4}x^{2}

Step-by-step explanation:

Forma ordinaria

La ecuación de la parabola de manera ordinaria está dada por:

(x-h)^{2}=4p(y-k) (1)  

Donde:

  • (h,k) es la coordenda del vértice, en nuestro caso (0,0) ya que está en el origen.
  • (h,k+p) es la coordenda del foco, en nuestro caso (0,1).

Por lo tanto h = 0, k = 0 y p = 1.

Remplazando estos valores en la ecuación de la parábola, tenemos:

(x-0)^{2}=4*1(y-0)

x^{2}=4y (2)

 

Forma general  

La forma general de una parábola esta dada por la siquiente ecuación

y=ax^{2}+bx+c

Reordenando la ecuación (2) tenemos:

y=\frac{1}{4}x^{2}

Espero esto te haya ayudado!

5 0
3 years ago
What is the equation for the line in slope-intercept form?
masha68 [24]

Answer:

y=mx+b is slope-intercept form

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

Since the line crosses the y axis at 0,0 the intercept is +0 or just nothing.

now all we need to do is find the slope

to do that just go from the y intercept (the first point) y units up and x units over untill u cross at the next point. for examples from (0, 0) to (1, 8)-the next point- i need to go up 8 units up and 1 unit over. this is described as rise over run and that is your slope 8/1 rise/run. rise is how many units i go up (or down) from the y intercept until the next point that lies on the line and run is how far i need to go over from how many units i just went up. If u continue to go 8 up and 1 over from each point u will see that u get a point lying of the line. This is why 8/1 is your slope

8/1 is the slope and 0,0 is your y intercept so we put nothing

the equation is y=8x

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
what is the circumference of the circle with an arc length of 11 and an interior angle of 27° Round to nearest tenth plz
igor_vitrenko [27]

Answer:

146⅔ units

Step-by-step explanation:

27° : 11

360° : X

X = (11/27) × 360

X = 146 ⅔

6 0
3 years ago
Read 2 more answers
Ram,raju and ravi can finish the running competition on circular track in 15 mins,20mins and 30mins respectively .If they start
OlgaM077 [116]
About 8:00 is when they will all have met up ram will have ran 4 laps raju will have ran 3 laps and ravi will have ran 2 laps
5 0
3 years ago
What is 5n+6+12n simplified? Help
Fynjy0 [20]

The answer would be 17n+6.

3 0
3 years ago
Read 2 more answers
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