4 years ago

I need a lot of help pleasa

Mathematics

2 answers:

DochEvi [55]4 years ago

6 0

I hope this is right

Lubov Fominskaja [6]4 years ago

3 0

Its a rational number

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a cog company produces 20 cogs a day, 4 of which are defective. Find the probability of selecting 4 cogs from the 20 produced wh

Simora [160]

Answer:

1/4845

Step-by-step explanation:

The probability of selecting a defective cog first is

1/5

The second cog is

3/19

The third cog is

1/9

And the fourth cog is

1/17

Multiplying these together we get

1/5 * 3/19* 1/9 * 1/17 = 1/4845

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3 years ago

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sertanlavr [38]

Answer:

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Step-by-step explanation:

52 + 28 = 80

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pentagon [3]

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4 years ago

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Musya8 [376]

Answer:

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Step-by-step explanation:

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3 years ago

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Zina [86]

Answer:

Step-by-step explanation:

x is greater or equal to 13

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3 years ago