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mel-nik [20]
3 years ago
14

3(x+1) + 1 + 2x = 2(2x + 2) + x

Mathematics
1 answer:
WARRIOR [948]3 years ago
3 0
0 = 0
The input is an identity: it is true for all values
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Step-by-step explanation:

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Is the following statement correct? Explain.
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Answer:  The answer is NO.


Step-by-step explanation: The given statement is -

If the graph of two equations are coincident lines, then that system of equations will have no solution.

We are to check whether the above statement is correct or not.

Any two equations having graphs as coincident lines are of the form -

ax+by=c,\\\\dax+dby=dc,\\\\\textup{where}~~d\neq 1.

If we take d = 1, then both the equations will be same.

Now, subtracting the second equation from first, we have

a(1-d)x+b(1-d)y=c(1-d)\\\\\Rightarrow ax+by=c,~\textup{since}~d\neq 1,~\textup{so}~1-d\neq 0.

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For example, see the attached figure, the graphs of following two equations is drawn and they are coincident. Also, the result is again the same straight line which has infinite number of points on it. These points makes the solution for the following system.

2x+5y=10,\\\\6x+15y=30.

Thus, the given statement is not correct.


4 0
3 years ago
Which of the following equations is parallel to the given line? 2x – 3y = 4
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Answer:

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Step-by-step explanation:

4 0
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B

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Exponential functions are curves which approach a horizontal asymptote usually at y=0 or the x-axis. This function 3^x+5 has been moved up 5 units so its asymptote is at y=5. This means the function never goes below 5 in its y-values.

The x values are not affected and all are in the function. This is the domain. So the domain is (-∞, ∞).

The y values are affected and are y > 5. This is the range and it is written

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Sidana [21]

Answer:

20 week

Step-by-step explanation:

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