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pochemuha
2 years ago
13

What are the values of x for which the denominator is equal to zero for y = x+3/x²+4x

Mathematics
1 answer:
Arisa [49]2 years ago
7 0

Answer:

hello

x² + 4 x = 0

x ( x + 2  ) = 0

x = 0  or   - 2

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Solve the absolute value equation. 20x - 19 = 0
Phantasy [73]

To solve this absolute value equation, we can use find the solutions as follows taking into account the definition of absolute value, then, we have:

|20x-19|=0\Rightarrow20x-19=0,or-(20x-19)=0

Now, we can solve both equations to find the solution(s):

First case:

20x-19=0\Rightarrow20x=19\Rightarrow x=\frac{19}{20}

Second case:

-(20x-19)=0\Rightarrow-20x+19=0\Rightarrow-20x=-19\Rightarrow x=-\frac{19}{-20}\Rightarrow x=\frac{19}{20}

Then, both solutions are the same, because of the absolute rule (this is the point when y = 0, that is the x-intercept for this function.)

Therefore, the solution set is {19/20}.

8 0
1 year ago
Please help me with this one
mylen [45]

9514 1404 393

Answer:

  1. y < -2x +3
  2. y > 1/2x -2

Step-by-step explanation:

To find the equation of each boundary line, look for the y-intercept. Then find the rise and run to the next grid intersection to the right that is crossed by that line. The equation for the line is ...

  y = mx + b . . . . . . m = rise/run = slope; b = y-intercept.

__

The lines are both dashed, so the inequalities will not include the "or equal to" case. For line (1), the shading is below the line, so the appropriate inequality symbol is <. For line (2), the shading is above the line, so the appropriate inequality symbol is >.

__

<u>Line 1</u>

y-intercept = +3. m = -2/1 = -2

  y < -2x +3

<u>Line 2</u>

y-intercept = -2. m = 1/2

  y > 1/2x -2

3 0
3 years ago
A triangle has the side lengths 5, 7, and 11. Which term best describes the triangle?
Pavlova-9 [17]
It is a scalene triangle bc it has no equal sides
4 0
3 years ago
What is the scientific notation of 0.00734​
stich3 [128]

The correct answer should be 7.34*10^-3
4 0
3 years ago
I dont know how to do this
Blababa [14]

Answer:

<h2>Option C = 78,125</h2>

Step-by-step explanation:

First prime factorize 135,

135 = 5×3×3×3

Now prime factorize 128,

128=2×2×2×2×2×2×2 = 2^7

the highest prime factor of 135 is 5,

Let 5 be x

the highest power of the lowest prime factor of 128 which is the power 2 is 7

Let 7 be y

According to the question x^y = 5^7

<h3>= 78,125</h3>

4 0
2 years ago
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