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Fynjy0 [20]
3 years ago
13

A common inhabitant of human intestines is the bacterium escherichia coli, named after the german pediatrician theodor escherich

, who identified it in 1885. a cell of this bacterium in a nutrient-broth medium divides into two cells every 20 minutes. the initial population of a culture is 40 cells.(
d. find the rate of growth after 7 hours. (round your answer to the nearest integer.)
Mathematics
1 answer:
Ivahew [28]3 years ago
4 0

Dividing of cells a sample problems of geometric progression. Given that the intial number of cells is 40, then it will double every 20 minutes. Within 7 hours the cells will divide into w by 21 times. So the number of cells after 7 hrs is 4,194,040 cells.

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George bought socks for "$"300 and planned to sell them for $6 a pair. write an inequality to find the minimum number of socks h
Anit [1.1K]

The inequality <u>6s - 300 > 210</u> represents the minimum number of socks (s) when George bought socks for "$"300 and planned to sell them for $6 a pair, and want to make a profit of more than 210.

In the question, we are given that George bought socks for $300.

Therefore, George's total cost = $300.

We assume the number of pairs of socks George sells to be s.

The unit price per pair quoted by George = $6

Therefore, George's total sales = $6s.

We know that the profit over a transaction is given as the difference between sales and costs, that is,

The profit = The total sales - the total costs,

or, profit = 6s - 300.

In the question, we are required to make a profit of more than 210.

This can be shown by the inequality,

6s - 300 > 210.

Thus, the inequality <u>6s - 300 > 210</u> represents the minimum number of socks (s) when George bought socks for "$"300 and planned to sell them for $6 a pair, and want to make a profit of more than 210.

Learn more about inequalities at

brainly.com/question/24372553

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1 year ago
What decimal is equivalent to 22 out of 25
melomori [17]
0.88 because 25 *4 = 100 and 22*4= x

x
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Ans: 0.88
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3 years ago
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