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3 years ago

6

In a middle school orchestra, there are 6 sixth graders, 11 seventh graders, and 8 eight graders. If one student is randomly cho

sen to complete a solo, what is the probability that a seventh grader is chosen?

1 answer:

padilas [110]3 years ago

8 0

Answer:

11/25

Step-by-step explanation:

total number of students to selet from is 6+11+8=25

number of seventh graders is 11

=11/25

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Use the point-slope form to find the ewuation of the line through the points (-5,2) and (-2,6)

Morgarella [4.7K]

Answer:

The equation of the line through the points (-5, 2) and (-2, 6) is $y = \frac{4}{3}\cdot x +\frac{26}{3}$ .

Step-by-step explanation:

The point-slope form of the equation of the line is defined by this formula:

$y-y_{1} = m\cdot (x-x_{1})$ (1)

Where:

$x$ - Independent variable.

$y$ - Dependent variable.

$m$ - Slope.

$x_{1}$ , $y_{1}$ - Coordinates of the first point.

In addition, the slope of the line can be determined in terms of two distinct points:

$m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ (2)

Where $x_{2}$ , $y_{2}$ are the coordinates of the second point.

If we know that $x_{1} = -5$ , $y_{1} = 2$ , $x_{2} = -2$ and $y_{2} = 6$ , then the equation of the line is:

$m = \frac{6-2}{-2-(-5)}$

$m = \frac{4}{3}$

$y-2 = \frac{4}{3}\cdot (x+5)$

$y = \frac{4}{3}\cdot x +\frac{26}{3}$

The equation of the line through the points (-5, 2) and (-2, 6) is $y = \frac{4}{3}\cdot x +\frac{26}{3}$ .

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3 years ago

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kirza4 [7]

2 because 1x1=1 and 1+1=2

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4 years ago

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Answer:

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Step-by-step explanation:

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