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Vadim26 [7]
3 years ago
8

Suppose you just purchased a digital music player and have put 15 tracks on it. After listening to them you decide that you like

3 of the songs. With the random feature on your​ player, each of the 15 songs is played once in random order. Find the probability that among the first two songs played you will like both of them
Mathematics
1 answer:
Lilit [14]3 years ago
8 0
The given case is an example of permutation problem because the order is important given that you should like the first two songs. The sample space is calculated through the equation, 
                                       15P2 = 210
Then, there are 3 songs that you liked, the probability of picking 2 out of them is,
                                         3P2 = 6
Dividing the latter by the earlier result will give us an answer of 1/35. 
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The measure of each angles
Aleks [24]
Supplementary angles is when 2 angles add up to 180 degrees.

We will name the smaller angle a and the bigger angle b.

therefore:

b - 172.6 = a

a + b = 180

Now we substitute:

a + b = 180
b - 172.6 + b = 180
2b - 172.6 = 180
2b = 352.6
b = 176.3

To find a:

a + b = 180
a + 176.3 = 180
a = 3.7

Therefore,

angle a = 3.7 degrees
angle b = 176.3 degrees.

Hope it helps and have a great day ahead
4 0
3 years ago
What is 5 1/2 * 2 1/3?
storchak [24]

The solution of the given expression will be 12\dfrac{5}{6}

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition,substraction, multiplication and division.

The given expression will be calculated as:-

= 5\dfrac{1}{2}\times 2\dfrac{1}{3}\\\\\\=\dfrac{11}{2}\times \dfrac{7}{3}\\\\\\=\dfrac{77}{6}\\\\\\=12\dfrac{5}{6}

Hence the solution of the given expression will be 12\dfrac{5}{6}

To know more about Expression follow

brainly.com/question/723406

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5 0
1 year ago
What is the answer to this?
OlgaM077 [116]

Answer:

Step-by-step explanation:

Note how this drawing  is symmetrical about a horizontal line drawn halfway between AB and CD and passing through the origin.

Line AB has been subdivided into two equal pieces of length 15, so the length of AB is twice 15, or 30.  Due to the symmetry shown, line CD has the same length:  30.

6 0
2 years ago
If Jesse cen make 41 jumps in 10 seconds how many can she do in five minutes.
Aleks04 [339]
1230 in five minutes  Just multiply 6 * 41 to get to minutes format, then multiply by five make it five minutes. To get the second answer just divide it by two, which would make it 615.


Hope this helps!
6 0
3 years ago
Solve. 4 1/4−1/3x=−3/4 Enter your answer in the box.
romanna [79]

Answer:

x=33

Step-by-step explanation:

............,.....

4 0
3 years ago
Read 2 more answers
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