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Andrej [43]
2 years ago
10

What is the slope of the equation of 3x+9y=-9

Mathematics
1 answer:
dezoksy [38]2 years ago
4 0
To solve this, you must put the equation in slope-intercept form, which is y=mx+b.
To do this, isolate y.

First, subtract 3x from both sides.
3x + 9y = -9
3x + 9y - 3x = 9y
-9 - 3x = -9 - 3x
9y = -9 - 3x

Now, divide both sides by 9.
9y = -9 - 3x
9y / 9 = y
-9 / 9 = -1
-3x / 9 = -0.33x = -1/3x
y = -1 - 1/3x

In y = mx + b form:
y = -1/3x - 1

In slope intercept form, m is the slope.
In our answer, -1/3 is m, so it is the slope.

So the final answer is that the slope is -1/3.

Hope this helps! 
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  • Cost of each board = R134

<h3>Number of Street Boards in the Budget</h3>

The number of streets boards that can be produced in the budget is calculated by dividing the total amount budgeted by the cost of each street board. This is done mathematically as

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Learn more on division of numbers here;

brainly.com/question/20301788

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