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-Dominant- [34]
3 years ago
7

Explain the importance of reading through your credit card statement regularly.

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
7 0
Just read ur credit card statement and you’ll know
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A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium d
qwelly [4]

Answer:

Step-by-step explanation:

Given that,

Cells are divided into two cell every 20mins, this implies that the half-life is 20mins

Initial population growth is 60cells

Growth rate r?

Population growth is modeled as

P(t) = Po•exp(rt)

Where,

Po is the initial growth at t= 0

Po= 60

P(t) is population at any time t.

Since the population doubles every 20mins(⅓hr)

Then, P(⅓) = 2×60 =120

Then, P(t) = 120cells

So, applying the formula

P(t) = Po•exp(rt)

120 = 60•exp(⅓r)

120/60 = exp(r/3)

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Cross multiply

r = 3In(2)

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The growth rate is 2.079/hour.

7 0
3 years ago
Barry is trying to calculate the distance between point E(3, 1) and point F(4, 7). Which of the following expressions will he us
Masteriza [31]
Barry will use the distance formula:
d = √[(x₂ - x₁)² + (y₂ - y₁)²]
d = √[(4 - 3)² + (7 - 1)²]
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7 0
3 years ago
Read 2 more answers
3. 8x + 4y<br>24 and 6x + 6y = 6​
anzhelika [568]

Answer:

x and y

Step-by-step explanation:

Variables are always the numbers that're replaced with a letter. For example, in the equation:

2t+6

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Hope this helps!! <3 :)

5 0
3 years ago
In a recent flu epidemic, the number of flu cases increased by 40% each week. There were 3,000 flu cases during the first week o
Alborosie

Answer:

2880

Step-by-step explanation:

The total number of people affected by flu during  the 2nd and 3rd week of January,  1200 + 1680  = 2880        

5 0
3 years ago
Hannah walks 2 miles each day to work then she walks two miles home how many yards does she walk to and from work each day
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Hey there! Every mile is 1760 yards, so multiply that by 4
1760 x 4 = 7040, so she walks 7040 yards.
Hope this helped!
7 0
3 years ago
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