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zhannawk [14.2K]

3 years ago

9

-9 times s equal to 6, solve for s

1 answer:

alexandr402 [8]3 years ago

6 0

Step-by-step explanation:

-9 x s = 6

-9 x 6 =s

-54=s

s=-54

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Question 1: The amount of students that Yolanda kept track of doesn't add up to her sample space.

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3 years ago

Which equations and/or functions represent the graphed line? Select three options.

9966 [12]

Answer:

Point slope form : $y-3=\frac{1}{2}(x-2)$

Slope intercept form: $y=\frac{1}{2}(x)+2$

Standard form : $-x+2y=4$

Step-by-step explanation:

From the given graph it is clear that the line is passing through the points, (-4, 0), (-2, 1), (0, 2), and (2, 3).

If a line passes through two points $(x_1,y_1)$ and $(x_2,y_2)$ , then the equation of line is

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

Let as consider any two points of the line: (2, 3) and (0, 2).

The equation of line is

$y-3=\frac{2-3}{0-2}(x-2)$

$y-3=\frac{1}{2}(x-2)$

The point slope form of the line is $y-3=\frac{1}{2}(x-2)$ .

$y-3=\frac{1}{2}(x)-\frac{1}{2}(2)$

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Add 3 on both sides.

$y=\frac{1}{2}(x)-1+3$

$y=\frac{1}{2}(x)+2$

Therefore the slope intercept form of the line is $y=\frac{1}{2}(x)+2$ .

Multiply both sides by 2.

$2y=x+4$

$-x+2y=4$

Therefore, the standard form of the line is $-x+2y=4$ .

5 0

4 years ago

Read 2 more answers

Can someone explain how to do this? i know the answer but i don't know how to work it out. Find the absolute mean deviation for

harina [27]

Step-by-step explanation:

The mean absolute deviation is:

MAD = ∑ᵢ₌₁ⁿ│xᵢ − μ│/ n

First, find the mean.

μ = (x + 2x + 3x + 4x) / 4

μ = 2.5x

Now find the mean absolute deviation:

MAD = (│x − 2.5x│+│2x − 2.5x│+│3x − 2.5x│+│4x − 2.5x│) / 4

MAD = (│-1.5x│+│-0.5x│+│0.5x│+│1.5x│) / 4

MAD = (1.5x + 0.5x + 0.5x + 1.5x) / 4

MAD = (4x) / 4

MAD = x

6 0

3 years ago