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Olin [163]
3 years ago
11

17. A toxin increases from 12 ppm to 48 ppm. What percent increase is this?

Advanced Placement (AP)
1 answer:
OLga [1]3 years ago
5 0

Answer:

In order to express the results as a percent, divide the nutrient content (which is expressed in ppm) by 10,000. For example, if the reported value for P2O5 is 2,690 ppm, the calculation to convert to percent would be: 2,690 ppm ÷ 10,000 = 0.269%.

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A deck of playing cards has 52 cards, of which 13 are diamonds. If you shuffle the deck well and turn over the top 4 cards, one
vampirchik [111]

Answer:

The correct solution is "0.002". A further solution is given below.

Explanation:

The given values are:

The total number of playing cards,

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Total number of diamonds,

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Now,

The probability of top four cards will be:

= P(First \ diamond)\times P(Second \ diamond)\times P(Third \ diamond)\times P(Fourth \ diamond)On putting the values, we get

= \frac{13}{52}\times \frac{12}{51}\times \frac{11}{50}\times \frac{10}{49}

= 0.25\times 0.23\times 0.22\times 0.20

= 0.002

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Luda [366]

Answer:

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2 years ago
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Masja [62]

Answer:

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Explanation:

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miss Akunina [59]

Answer:

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Explanation:

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Explanation:

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