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serg [7]
2 years ago
10

What websites are similar to brainly?

Mathematics
1 answer:
Maslowich2 years ago
7 0

Websites similar to Brainly: Quizlet and Socratic

Can I pls have brainliest :(

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Find the length of WV
Luba_88 [7]

Answer:

I believe the answer would be 20.

Step-by-step explanation:

28/7 = 4

5*4 = 20

Pls mark brainliest <3

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Simplify i31. <br><br> 1 <br> −1<br> i<br> −i
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Which of the following inequalities matches the graph? graph of an inequality with a dashed line through the points (0, 7) and (
stiks02 [169]

Answer:

2x + y < 7

Step-by-step explanation:

First we find the slope of the line that passes through the given points.  The formula for slope is:

m=\frac{y_2-y_1}{x_2-x_1}

Using our points, we have

m=\frac{7-5}{0-1}=\frac{2}{-1}=-2

The y-intercept will be the point where the data crosses the y-axis.  All y-intercepts have an x-coordinate of 0; since we already have the point (0, 7), we have the y-intercept at 7.  This makes our equation

y = -2x + 7

The inequalities we're given are written in standard form, Ax+By=C.  This means we need x and y on the same side of the equals in our equation.

Since the inequality is graphed below the line, we want our inequality to be

y < -2x+7

To move the x-value to the other side of the equation, we will add 2x to each side:

y+2x < -2x+7+2x

y+2x < 7

2x+y < 7

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3 years ago
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How to undo the operation and explain why it works a. adding 28 b. dividing by 17
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Put the operation in order to explain you
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Need help with a question ​
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so....wts the question?

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