3 years ago

Me perdonas answer this question elaspelqepaslpewlaoeiduv23uj1321321412

Mathematics

1 answer:

Lapatulllka [165]3 years ago

7 0

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In a shipment of 71 vials, only 13 do not have hairline cracks. If you randomly select 2 vials from the shipment, what is the pr

yanalaym [24]

Answer:

0.0313

Step-by-step explanation:

Given that in the shipment of 71 vials, only 13 do not have hairline cracks

Probability of not having a hairline cracks = $\frac{13}{71}$

If you randomly select 2 vials from the shipment

(Probability of not having a hairline cracks)' = $\frac{13-1}{71-1}$ = $\frac{12}{70}$

what is the probability that none of the 2 vials have hairline cracks.

i.e $(\frac{13}{71}) * (\frac{12}{70})$

= 0.183 × 0.171

= 0.0313

Hence, the probability that none of the 2 vials have hairline cracks = 0.0313

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3 years ago

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Answer:

2 3/4

Step-by-step explanation:

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3 years ago

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Veseljchak [2.6K]

8.-12y^10 9.-15z^17 10.a^3b^3/125 11. 9x^2y^6/z^4

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3 years ago

Which expressions are equivalent to z + (z + 6)

elixir [45]

Answer:

C 2(z+3)

Step-by-step explanation:

z+(z+6)

Combine like terms

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3 years ago

Tamara has two sisters. one of the sisters is 7 years older than Tamara. The other sister is 3 years younger than Tamara. the pr

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Answer:

Step-by-step explanation:

24=x+(x-3)+(x+7)

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