2 years ago

13 points.First Come First Serve!!!!

Mathematics

2 answers:

AleksAgata [21]2 years ago

7 0

Answer:

Can you explain some more?

Step-by-step explanation:

AfilCa [17]2 years ago

5 0

(=0w0=) Little one, welcome! Aaliyah!

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What is the value of this expression <br><br><br> 3^2*2-4(3-1)

aalyn [17]

Answer:

Step-by-step explanation:

3^2*2-4(3-1)

3^2=9

9*2

9×2

4(3-1)

4(2)

18-8

=10

So the final answer is 10

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3 years ago

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iris [78.8K]

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0.1562 rounded to the nearest hundredth place

kondaur [170]

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0.16

Step-by-step explanation:

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3 years ago

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3 years ago

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. A hat contains 100 coins, where 99 are fair but one is double-headed (always landing Heads). A coin is chosen uniformly at ran

SOVA2 [1]

Answer:0.565

Step-by-step explanation:

Hat contain 100 coins out of which 99 is fair and one is double headed.

Probability of getting 7 heads is sum of Head through fair coin+heads through biased coin

Probability of getting a head through a fair coin=0.5

$P(7 heads)=0.99\times 0.5^7+0.01\times 1$

$P(Double head |7 heads )=\frac{Probability\ of\ 7\ heads\ and\ double\ headed}{probability\ of\ 7\ heads}$

$P(Double head |7 heads )=\frac{0.01\times 1}{0.99\times 0.5^7+0.01\times 1}$

$=\frac{0.01}{0.99\times 0.0078+0.01}=0.565$

8 0

3 years ago