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Vedmedyk [2.9K]
3 years ago
7

If f(x) is the total number of bacteria present in a sample after x hours, which of the following statements bestdescribes the m

eaning of f(2) = 12?
Mathematics
1 answer:
Arlecino [84]3 years ago
3 0
After 2 hours, there are 12 bacteria present.
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For your own safety, the bank representative says that the following characteristics of PIN numbers are prohibited:________. 1)
Natali [406]

Answer:

Total = N(1) +N(2)+N(3) = 10+14+200 = 224 sequences

224 sequences would NOT be permitted.

Step-by-step explanation:

1) all four digits identical

Number of possible PIN with all four digits identical N(1) = 1×1×1×10 = 10 possible PIN

2) sequence of consecutive ascending or descending digits N(2) = 14

Only Ascending starting with 0,1,2 = 3

only descending for 7,8,9 = 3

and both for 3,4,5,6 = (2×4)

Total = 3+3+(2×4) = 14

3) any sequence starting with 19 or 20 (birth years

N(3) = 2 × 1×1×10×10 = 2×100 = 200

N(3) = 200

(Note : 100 possible ways for each of 19 or 20s)

Total = N(1) +N(2)+N(3) = 10+14+200 = 224

224 sequences would NOT be permitted.

4 0
3 years ago
George has steak and chicken in the freezer. The temperature of the steak is -6.3°C, and the temperature of the chicken is -6.3°
mina [271]
Hello!

The answer is steak's temperature = chicken's temperature since they are both -6.3°C

Hope this helps!
3 0
3 years ago
If sin x = .52 and cos x = .85, what is cot x?
lozanna [386]

Hi there


That's easy


All you have to know is that : cot x = cos x / sin x

cot x = .85 / .52 = 1.6346


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5 0
3 years ago
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Lemur [1.5K]

Answer:

Step-by-step explanation:

50,000   + 4,000   + 800   + 70   + 4  

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Step-by-step explanation:

2 5/9

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