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lubasha [3.4K]
2 years ago
10

(2n-9)-5(2.4n+4) does anyone know the answer to this?

Mathematics
1 answer:
antiseptic1488 [7]2 years ago
4 0

Answer:  -0.4n-13

hope it helped don't forget to drop a heart

Step-by-step explanation:

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A students' choir contains 25 children and only 5 of them play the piano. If a child is selected at random, what is the probabil
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probability that the child DOES NOT play the piano

P(E^{-})  =\frac{4}{5}

Step-by-step explanation:

A students' choir contains 25 children

n(S) =25

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Let 'E' be the event of the child play the piano so n(E) =5

The probability of that the child play the piano

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