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Lubov Fominskaja [6]
3 years ago
14

Identify the equation of a line in slope-intercept form that is perpendicular to y = -1/3 x + 2 and passes through (2, 1)

Mathematics
1 answer:
Airida [17]3 years ago
5 0

Answer:

Step-by-step explanation:

The slope of a line perpendicular to another line is the opposite reciprocal of the slope of the other line, meaning if the slope of the other line is -\frac{1}{3}, then the slope of the line perpendicular is 3.

Knowing this, we can start to construct the equation for the line:

y = mx + b

y = 3x + b

To solve for b, we plug in the coordinates of the point that we know the line runs through, (2, 1):

y = 3x + b

1 = 3(2) + b

1 = 6 + b

b = -5

Therefore, the slope of the line that is perpendicular ot the line provided in the equation is the following:

y = 3x - 5

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Dmitry_Shevchenko [17]

Answer:

m = 3

Step-by-step explanation:

Find the slope of the line connecting (-2,-3) and (-4,-9).  (Note:  you must use those parentheses.)

As we go from x= -4 to x = -2, an increase of 2, y increases by 6 from -9 to -3.  The slope of this line is m = rise / run = 6/2 = 3.

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Fantom [35]

Answer:

so look

Step-by-step explanation:

6x=7+8

2 Simplify  7+87+8  to  1515.

6x=156x=15

3 Divide both sides by 66.

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​

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4 Simplify  \frac{15}{6}

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Done

Decimal Form: 2.5

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3 years ago
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Write a rule to describe each transformation.
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A square room has a tiled floor with 81 square tiles. How many tiles are along an edge of the room?
Sladkaya [172]

Answer:

36 tiles

Step-by-step explanation:

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81 = x²

So to find x, we must square root both sides of the equation:

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So there are 36 tiles along the edge of the room.

Hope this helps!

4 0
2 years ago
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