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Taya2010 [7]
3 years ago
9

Write an equation in slope-intercept form of the line that passes through (-4,9) and (2, -8)

Mathematics
1 answer:
disa [49]3 years ago
8 0

9514 1404 393

Answer:

  y = -17/6x -7/3

Step-by-step explanation:

The 2-point form of the equation for a line can be a useful place to start.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  y = (-8 -9)/(2-(-4))(x -(-4)) +9

  y = -17/6(x +4) +9 . . . . . simplify a bit

  y = -17/6x -11 1/3 +9 . . . eliminate parentheses

  y = -17/6x -7/3 . . . . . . . collect terms

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4 years ago
The area of the circle above is 314 units2. What is the circumference of the circle? use 3.14
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And then the final answer would be 62.8 units for the circumference.

Step-by-step explanation:

For this case we know that the area for a circle is given by:

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And we know that A = 314 units^2

We can find the radius from the previous formula like this:

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And the circumference is given by this formula:

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