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Setler [38]
3 years ago
9

Can someone answer this question please?

Mathematics
1 answer:
Troyanec [42]3 years ago
7 0

The solution to the inequality 3x-3\leq -15\,\,or\,\,4x-1\geq 11 is x\leq -3\,\,or\,\,x\geq 4

The number line is shown in figure attached.

Step-by-step explanation:

We need to solve the inequality: 3x-3\leq -15\,\,or\,\,4x-1\geq 11

Solving the inequality:

3x-3\leq -15\,\,or\,\,4x-1\geq 11\\Adding\,\,3\,\,on\,\,both\,\,sides\,\,and\,\,1\,\,on\,\,both\,\,sides\\3x-3+3\leq -15+3\,\,or\,\,4x-1+1\geq 11+1\\3x\leq -12\,\,or\,\,4x\geq 12

Divide by 3 and divide by 12

x\leq \frac{-12}{3} \,\,or\,\,x\geq \frac{12}{4} \\x\leq -4\,\,or\,\,x\geq 3

So, value of x can be less than equal to -4 or value of x is greater than equal to 3.

The number line is shown in figure attached.

The solution to the inequality 3x-3\leq -15\,\,or\,\,4x-1\geq 11 is x\leq -3\,\,or\,\,x\geq 4

Keywords: Solving inequalities

Learn more about Solving inequalities at:

  • brainly.com/question/1465430
  • brainly.com/question/6703816
  • brainly.com/question/4192226

#learnwithBrainly

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algol [13]

Answer:

<h2>w = -8</h2>

Step-by-step explanation:

Given the equation solved by Ernesto expressed as \sqrt{\dfrac{1}{2}w+8}=-2, the extraneous solution obtained by Ernesto is shown below;

\sqrt{\dfrac{1}{2}w+8}=-2\\\\square\ both \ sides \ of \ the \ equation\\(\sqrt{\dfrac{1}{2}w+8})^2=(-2)^2\\\\\dfrac{1}{2}w+8 = 4\\\\Subtract \ 8 \ from \ both \ sides\\\\\dfrac{1}{2}w+8 - 8= 4- 8\\\\\dfrac{1}{2}w= -4\\\\multiply \ both \ sides \ by \ 2\\\\\dfrac{1}{2}w*2= -4*2\\\\w = -8

Hence, the extraneous solution that Ernesto obtained is w = -8

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Answer:

The equations are

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The answers to the question are

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(b) x = 3

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Step-by-step explanation:

(a) x/3 = 6

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Substituting the value of x in the above equation, we have

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Substituting the value of x in the above equation, we have

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