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777dan777 [17]
3 years ago
11

What is the value of x? 6x−2(x+4)=12 Enter your answer in the box.

Mathematics
2 answers:
xeze [42]3 years ago
8 0
<span>6x−2(x+4)=12
6x - 2x - 8 = 12
4x = 20
  x = 5</span>
bearhunter [10]3 years ago
4 0
X=5 
you multiply the parenthesis by -2, then collect like terms, move your constant to the right, add the numbers, then you divide both sides by four.
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Log based question, i just need help with parts b and c
Tanya [424]

Answer:

b) There is translation 3 units to the right and 1 unit up

c) The domain is {x I x > 3}

   The equation of the asymptote is x = 3

Step-by-step explanation:

* Lets revise the rule of the translation

- If the function f(x) translated horizontally to the right  

 by h units, then the new function g(x) = f(x - h)

- If the function f(x) translated horizontally to the left  

 by h units, then the new function g(x) = f(x + h)

- If the function f(x) translated vertically up  

 by k units, then the new function g(x) = f(x) + k

- If the function f(x) translated vertically down  

 by k units, then the new function g(x) = f(x) – k

* Now lets solve the problem

b) ∵ f(x) = log_{2} (x-3)+1

∵ The parent function is log_{2} x

∴ x is changed to (x - 3), that means there is a translation 3 units

  to the right

∵ We add the parent function by 1, that means there is a translation

  1 unit up

* There is translation 3 units to the right and 1 unit up

c) To find the domain of the function, find the values of x which

    make the function undefined

∵ log_{2}(0) is undefined

∴ x - 3 can not be 0

∵ x - 3 = 0 ⇒ add 3 to both sides

∴ x = 3

∴ The domain of the function is all real number greater than 3

* The domain is {x I x > 3}

∵ x can not be 3

∴ There is a vertical asymptote, its equation is x = 3

* The equation of the asymptote is x = 3

# Look to the attached graph for more understand for the domain

  and the equation of the asymptote

4 0
3 years ago
HELP!!<br> What is the value of x?
MariettaO [177]

Answer:

The value of x = 34° ⇒ first answer

Step-by-step explanation:

* Lets revise some facts about the circle

- A chord of a circle is a straight line segment whose endpoints

 both lie on the circle

- When two chords, intersect inside a circle then the measure

 of the angles formed is one-half the sum of the measures of the

 intercepted arcs.

* Now lets solve the problem

- There are two chords intersect inside the circle

∵ AC and DB are two chords intersect each other at point O

- The measures of the angles between them is 1/2 the measure

  of their intercepted arc

∵ ∠AOB subtended by arc AB

∵ ∠COD subtended by arc CD

∴ m∠AOB = m∠COD = 1/2[measure arc AB + measure arc CD]

∵ The measure of arc AB = 45°

∵ The measure of arc CD = 23°

∴ m∠AOB = m∠COD = 1/2[45 + 23] = 1/2[68] = 34°

- The measure of angle AOB represented by x

∴ m∠AOB = x

∴ The value of x = 34°

3 0
3 years ago
Please help me thank you!
iris [78.8K]
A midpoint divides a line segment into two congruent segments. So, if point U is the midpoint of RS, then that means that RU and SU are congruent.

If RU is 12, then SU is also 12.

So, the whole length of SR is 24.

1) Solution: 24

The midpoint and segment congruency statement in the first problem also applies to the second problem.

SV = TV

2x = 11

Divide both sides by 2 to get x by itself.

x = 5.5

2) Solution: 5.5
4 0
3 years ago
Read 2 more answers
What do both of these functions have in common? f(x)=5e^x+5 g(x)=0.5(x-5)^2-5
kondor19780726 [428]

Answer:

They have the same vertical shift. -Apex

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help ASAP! ill mark brainliest if correct
irina [24]

Answer:

fourth option

Step-by-step explanation:

The mean is calculated as

mean = \frac{sum}{count}

         = \frac{15+16+21+23+25+25+25+39}{8}

        = \frac{189}{8}

       = 23.6 ( to 1 dec. place )

The median is the middle value of the data set. If there is no exact middle then it is the average of the values either side of the middle.

15  16  21  23  25  25  25  39

                    ↑ middle

median = \frac{23+25}{2} = \frac{48}{2} = 24

The mode is the value that occurs most often, that is 25

Thus

mean = 23.6 , median = 24 , mode = 25

5 0
3 years ago
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