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steposvetlana [31]
3 years ago
11

What is the slope of the graph?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Use the coordinates of the two black dots:

(2,3) and (7,6)

Slope is the change in Y over the change in X:

Slope = (6-3) / (7-2)

Slope = 3/5

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My educated guess would be 3 times, since it’s unlikely that you would get it many time because of the low probability. Sorry it incorrect!!
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3 years ago
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Find the y and x-intercept for <br> -x+3y+3
Darya [45]
-x+3y+3=0 <-- This puts the expression into an equation to make it solvable.
3y+3=x  <-- Use Addition Property of Exponents to move the (x) to the right
3y=x-3 <-- Use Subtraction Property of Exponents to move the (3) to the right
y=\frac{1}{3}-1 <-- Use Division Property of Exponents to remove the 3 from y
y=\frac{1}{3}-1 < This is the equation for the y-intercept

-x+3y+3=0 <-- Same as above, makes it so the expression is an equation to solve
-x+3=-3y <-- Use Subtraction Property of Exponents to move the 3y to the right
-x=-3y-3 <-- Use Subtraction Property of Exponents to move the 3 to the right
x=3y+3 <--Use Divison Property of Exponents to remove the -1 from x
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Hope this helped!


6 0
3 years ago
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Right or left
Anvisha [2.4K]

Answer:

1) null: π = 0.5, alternative: π > 0.5

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std error =(phat(1-phat)/n)1/2 =0.0430

3)z = (phat-p)/std erro =(0.645-0.5)/0.0430 =3.22

4)The observed proportion of couples who leaned to the right when kissing is 3.22 standard deviations above the null hypothesized value of 0.50

5)We have strong evidence that the proportion of couples that lean their heads to the right while kissing is more than 50%

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3 years ago
A line goes through the points (-2, 4) and (0, -1).
jarptica [38.1K]
Here you go! I worked it out for the easiest way to find slope and both possible points being used for the point-slope form. The image also forgot to include slope intercept is y=mx+b where m is slope and b is y- intercept. Hope this helps.

4 0
3 years ago
At is the slope of a line that is perpendicular to the line y = -x +5?
GaryK [48]

Answer:

m = 1    (The slope of the line perpendicular to y = -x + 5 is supposed to be 1.)

Step-by-step explanation:

The slope of a line that is perpendicular to another line is: -(m^-^1), where m is the slope of the line.

The slope of a line perpendicular to the line y = -x + 5 will be:

m = -( -1^-^1)

m = 1

5 0
3 years ago
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