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Debora [2.8K]
3 years ago
11

Write in y=mx+b form

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

Answer:

y = -2/3x

Step-by-step explanation:

To write in y=mx+b form, you need the y-intercept (b) and the slope (m).

The y-intercept is the point the line crosses the y-axis.  This line crosses the y-axis of (0, 0).  This makes the y-intercept equal to 0.

The slope is the rise of the line over the run of the line.  Pick two points from the line.  It doesn't matter which ones, you will get the right answer regardless.  

I picked (0, 0) and (-3, 2).  Subtract the x-values from each other, and subtract the y-values from each other.

-3 - 0 = -3  (x)

2 - 0 = 2  (y)

Divide the y by the x to find the slope.

2/-3 = -2/3

Plug in the slope and y-intercept into the equation.

y = mx + b

y = -2/3x + 0

y = -2/3x

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Answer:

For 80 people, Elena would need

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I am not completely sure of this, sorry if wrong.

Step-by-step explanation:

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3 years ago
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Please please help me
OLga [1]

Answer:

(x - 5)² + (y + 3)² = 16

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

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here (h, k) = (5, - 3) and r = 4, thus

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3 years ago
A recipe calls for 1/2 cup of sugar for each loaf of bread.
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Answer:

6

Step-by-step explanation:

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