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Setler79 [48]
3 years ago
12

Select the approximate values of x that are solutions to f(x) = 0, where

Mathematics
1 answer:
irga5000 [103]3 years ago
3 0
A=-2;b=9;c=9;
delta=b^2-4*a*c
root1=(-b+(delta^(0.5)))/(2*a)  
<span>root2=(-b-(delta^(0.5)))/(2*a)

delta =153
root1 = -0.8423
root2 =<span> 5.3423

Correct Answer is D</span></span>
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I need help on case number 6
Feliz [49]

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This decimal form is ≈ to 5 2/5

8 0
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20. Solve 3(5x − 4) &lt; 15x.<br> All Real Numbers<br> x&gt;-4 <br>x&lt;4<br>no solution ​
Natasha2012 [34]

Answer:

No solution

Step-by-step explanation:

3(5x - 4) < 15x \\ 15x - 12 < 15x \\ 15x - 15x < 12 \\ 0 < 12

8 0
2 years ago
How many times can 2 1/2 be subtracted from 12 1/2
Luba_88 [7]
2 1/2 = 2.5
12 1/2 = 12.5

This means you can calculate how may times it goes in by dividing it and rounding the number down:

12.5 / 2.5 = 5

*5 can not be rounded down so it stays the same

This means that 2 1/2 goes into 12 1/2 5 times. Hope this helps! :)
5 0
3 years ago
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Use the equation y = 7x to complete the table. What are the missing values of
storchak [24]

<u>Answer:</u>

Option D

<u>Step-by-step explanation:</u>

In this table, the constant of proportionality, which is just the number that each <em>x</em> value is multiplied by to get the corresponding <em>y</em> value, is 7. This is because, as shown by the first row of the table, 1*7=7, and, as shown by the third row of the table, 3*7=21. Therefore, in the second row of the table, <em>y</em> should be 14, as 2*7=14, while in the fourth row of the table, <em>y</em> should be 28, as 4*7=28.

<em>Hope this helps! Comment any questions. </em>

8 0
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Can anyone do this with steps ..
Harrizon [31]

\\ \sf\longmapsto \displaystyle{\lim_{x\to 0}}\dfrac{sinx-sin3x}{sins3x-sinx}

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Now

\\ \sf\longmapsto \displaystyle{\dfrac{\lim_{x\to 0}sinx-\lim_{x\to 0}sin3x}{\lim_{x\to 0}sin3x-\lim_{x\to 0}sinx}}

\boxed{\sf \displaystyle{\lim_{x\to 0}}f(x)=f(a)}

\\ \sf\longmapsto \dfrac{sin0-sin3(0)}{sin3(0)-sin0}

\\ \sf\longmapsto \dfrac{0-0}{0-0}

\\ \sf\longmapsto \dfrac{0}{0}

\\ \sf\longmapsto 0

7 0
3 years ago
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