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MissTica
3 years ago
13

-a + 4a - 9 = 8a + 6

Mathematics
1 answer:
wel3 years ago
3 0

Answer:

-3=a

Step-by-step explanation:

-a+4a-9=8a+6

3a-9=8a+6

3a-9-6=8a+6-6

3a-15=8a

3a-3a-15=8a-3a

-15=5a

-15/5=5a/5

-3=a

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800 out of 1/10 is what?
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Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
Write the equation of the line, in point-slope form. Identify (x1, y1) as the point (-2, -1). Use the box provided or the upload
riadik2000 [5.3K]

For this case we have that by definition, the equation of a line in the point-slope form is given by:

(y-y_ {0}) = m (x-x_ {0})

Where:

(x_ {0}, y_ {0}): It is a point through which the line passes

m: It's the slope

We have according to the graph, that the line goes through:

(x_ {1}, y_ {1}): (- 2, -1)\\(x_ {2}, y_ {2}) :( 2,1)

We found the slope:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {1 - (- 1)} {2 - (- 2)} = \frac {1 +1} {2 + 2} = \frac {2} {4} = \frac {1} {2}

Thus, the line is of the form:

(y-y_ {0}) = \frac {1} {2} (x-x_ {0})

We substitute a point:

(y-1) = \frac {1} {2} (x-2)

Answer:

(y-1) = \frac {1} {2} (x-2)

8 0
3 years ago
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Answer:

There are many conclusions we can come to for this!

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Step-by-step explanation:

4 0
2 years ago
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