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Korolek [52]
3 years ago
11

During a research​ experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At

5​:00 AM there were 6 comma 000 bacteria present in the culture. At​ noon, the number of bacteria grew to 6 comma 500. How many bacteria will there be at​ midnight?
Mathematics
1 answer:
inessss [21]3 years ago
7 0

Answer:

Step-by-step explanation:

Noon is 12:00

5am to 12noon is 7 hours

6,000 to 6,500

It grew by 500 in 7 hours

So one hour it is 500/7

In 12 hours that is from 12noon to 12midnight it will be 12×500/7+6500 since at 12noon it was 6500 that will be 6500+857=7357

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Answer:

36)12(37)0.67

Step-by-step explanation:

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Usimov [2.4K]

Answer:

120ft.

Step-by-step explanation:

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2 years ago
Plz help
Mazyrski [523]

Answer:

12.

Step-by-step explanation:

This is how to round 12.36 to the nearest whole number. In other words, this is how to round 12.36 to the nearest integer.

12.36 has two parts. The integer part to the left of the decimal point and the fractional part to the right of the decimal point:

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Our goal is to round it so we only have an integer part using the following rules:

If the first digit in the fractional part of 12.36 is less than 5 then we simply remove the fractional part to get the answer.

If the first digit in the fractional part of 12.36 is 5 or above, then we add 1 to the integer part and remove the fractional part to get the answer.

The first digit in the fractional part is 3 and 3 is less than 5. Therefore, we simply remove the fractional part to get 12.36 rounded to the nearest whole number as:

12

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