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bija089 [108]
3 years ago
6

Suppose you have a playlist consisting of 10 songs. You play your playlist in shuffle mode. In this mode, after the current song

is played, the next song is chosen randomly from the other 9 tracks. This ensures you never hear the same song more than once while you listen. What is the probability that 3 out of 4 of your favorite songs on the playlist will play first?
Mathematics
1 answer:
kupik [55]3 years ago
5 0
I dont knmow the exact probabbiltiy but for one song to play is one in ten so would 1/10 times 1/10 and so on and so forth, hope that helps
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Given that the expression 2x^3 + mx^2 + nx + c leaves the same remainder when divided by x -2 or by x+1 I prove that m+n =-6
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Given:

The expression is:

2x^3+mx^2+nx+c

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To prove:

m+n=-6

Solution:

Remainder theorem: If a polynomial P(x) is divided by (x-c), thent he remainder is P(c).

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P(x)=2x^3+mx^2+nx+c

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Substituting x=2 in the given polynomial.

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16+4m+2n+c=-2+m-n+c

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\dfrac{3m+3n}{3}=\dfrac{-18}{3}

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