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Over [174]
2 years ago
7

A radio disc jockey has 8 songs on this upcoming hour's playlist: 3 are rock songs, 3 are reggae songs, and 2 are country songs.

The disc jockey randomly chooses the first song to play, and then she randomly chooses the second song from the remaining ones. What is the probability that both songs are reggae songs? Write the answer as a fraction in simplest form.
Mathematics
1 answer:
sashaice [31]2 years ago
5 0

Answer:

The answer is 9/64. Also #djgirlpower

Step-by-step explanation:

9/64 is the equivalent of 3/8 • 3/8, which is the probability of the dj picking a reggae song once, and then again. That is most likely the case, except if the song that is played is removed from the collection of not-yet-played songs. Otherwise, I’m pretty sure if that’s the case, it would be 3/8 •2/7. Hope this helped :)

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The ratio of yellow blue and red balloons is 2:3:2 respectively. If the total number is 28 is many yellow balloons are there
Phoenix [80]

Answer:

8

Step-by-step explanation:

The ratio of yellow balloons to the total is ...

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This fraction of 28 balloons is ...

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2 years ago
Jared buys 2.4 pounds of broccoli for $3.24. Which equation could Jared use to find c, the cost of each pound of broccoli
ss7ja [257]

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Step-by-step explanation:

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Which expression does not factor?<br><br> m3 + 1<br> m3 – 1<br><br> m2 + 1<br><br> m2 – 1
Luda [366]

Answer:

m^2 +1

Explanation:

All the other expressions can be factorized. Let's see why:

1) m^3 +1

This is the sum of the cubes, and this can be factorized as follows:

a^3+b^3=(a+b)(a^2-ab+b^2)

In this case, a=m and b=1, so we can factorize as

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2) m^3-1

This is the difference between two cubes, and this can be factorized as follows:

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In this case, a=m and b=1, so we can factorize as

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3) m^2-1

This is the difference between two square numbers, and it can be factorized as follows

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In this case, a=m and b=1, so we can factorize as

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4 0
3 years ago
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Answer:

The value of X is 6. X=6

Step-by-step explanation:

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