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Serhud [2]
3 years ago
15

Jillian surveyed students at her school and found out the following probabilities: P ( freshman ) = 0.30 P ( plays instrument )

= 0.20 P ( freshman and instrument ) = 0.10 ​ P(freshman)=0.30 P(plays instrument)=0.20 P(freshman and instrument)=0.10 ​ Find the probability that a student plays an instrument given they are a freshman. P ( plays instrument ∣ freshman ) =
Mathematics
1 answer:
VLD [36.1K]3 years ago
6 0

Answer: 1/3

Step-by-step explanation:

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5 0
2 years ago
write an equation that is perpendicular to x - 3y =3 and passes through the point (5,-9) in slope-intercept form.
Aleksandr [31]

9514 1404 393

Answer:

  y = -3x +6

Step-by-step explanation:

The perpendicular line will have the coefficients of x and y swapped (and one of them negated), and will have a constant appropriate to the point the line needs to go through.

The equation will look like ...

  x -3y = 3 . . . . . . . . . . . . . given line

  3x +y = constant . . . . . . perpendicular line

where "constant" can be found by substituting for x and y.

  3x +y = 3(5) +(-9)

  3x +y = 6 . . . . equation in standard form

To put this in slope-intercept form subtract 3x:

  y = -3x +6

6 0
3 years ago
00:00<br> Select all the fractions that are equivalent to 2 /<br> 5<br> Use the area models to help.
AleksAgata [21]

Answer:

this doesnt make sense but the answer is

rcpl 2/5 = 5/2 = 2 1/2

Step-by-step explanation:

2 1/2

8 0
2 years ago
Read 2 more answers
11. 1Owl0 – 19w" + 6W8
Gennadij [26K]
I’m so confused what are u trying to ask
5 0
2 years ago
The table shows the results of a random survey of kids between the ages of 10 and 15 about their favorite food.
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The exact number is 121.966019, so if you round to the nearest whole number, the answer is 122.
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2 years ago
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