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Artemon [7]
3 years ago
7

Please help me with this im really stuck​

Mathematics
1 answer:
makvit [3.9K]3 years ago
3 0
THE ANSWER IS: y = -x+9

y=mx+b
m=slope=(y2-y1)/(x2-x1)
use the points (0,9) and (9,0)
(0-9)/(9-0) = -9/9 = -1
so m=-1

b is the y-intercept which is where x=0
the line crosses the y axis at y=9
so b=9

plugging in m and b into y=mx+b,
you get y=-x+9
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Step-by-step explanation:


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Step-by-step explanation:

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3 years ago
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Anastaziya [24]

Answer:

3

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Add the numbers,

2x + 2 = -3x + 15 + 2

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Subtract 2 from both sides,

2x + 2 = -3x + 17

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2x  = -3x + 17 - 2

2x  = -3x + 15

Add 3x to both sides,

2x  = -3x + 15

2x + 3x  = -3x + 3x + 15

5x  = -3x + 3x + 15

5x  =  15

Divide both sides by the same factor (15),

5x  =  15

5x/5 = 15/5

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Hence, the answer is 3.

4 0
2 years ago
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The answer is C
explanation
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2 years ago
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Ainat [17]

Answer:

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