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Diano4ka-milaya [45]
3 years ago
15

The work of a student to solve a set of equations is shown:

Mathematics
1 answer:
butalik [34]3 years ago
8 0
Step 2! The reason for that is the student didnt multiplied (15-2z) with -2. But she should have!
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Step-by-step explanation:

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3 years ago
Which of the following is a solution of 4x2 = − 9x − 4?
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The solution is -0.609611 and -1.64, I do not think you can simply find this by factoring but the only way is graphing it
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Can someone please Simplify (a^2)^5
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Step-by-step explanation:

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Answer:

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<em>Hope that helps! :)</em>

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Step-by-step explanation:

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3 years ago
Write the equation of the line that passes through the points (-6,8) and (-6,2).
just olya [345]

Answer:

x = -6

Step-by-step solution:

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1) First, you want to find the slope.

The equation for slope is \frac{y_{2} - y_{1}}{x_{2} - x_{1}}.

Let's have (-6, 8) be x_{1} and y_{1}, and (-6, 2 ) x_{2} and y_{2}.

So, you would get \frac{2 - 8}{-6 - (-6)}= \frac{-6}{0} = 0.

Since there is no slope, you know this is a horizontal or vertical line.

Because the two points have the same x- value, you know that it is a vertical line at x = -6.

You can see the two points and the line in the graph I've attached below.

6 0
4 years ago
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