3 years ago

Please answer both of the questions pleaseeee

Mathematics

2 answers:

Charra [1.4K]3 years ago

5 0

9.the number is irrational

Savatey [412]3 years ago

4 0

Answer:

Question 9:

The product is irrational

Question 10:

Step-by-step explanation:

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The probability that Brian wins a raffle is given by the expression n n + 2 . Write down an expression, in the form of a combine

LUCKY_DIMON [66]

Answer:

$\frac{2}{n+2}$

Step-by-step explanation:

Given

Let the total probability be 1

Probability that Brian wins a raffle = n/n+2

Probability that Brian does not win a raffle = 1 - Probability that Brian wins a raffle

Probability that Brian does not win a raffle = 1 - (n/n+2)

Probability that Brian does not win a raffle = $\frac{n+2-n}{n+2}$

Probability that Brian does not win a raffle = $\frac{2}{n+2}$

Hence required fraction is $\frac{2}{n+2}$

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