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german
3 years ago
8

A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium d

ivides into two cells every 20 minutes. The initial population of a culture is 58 cells. (a) Find the relative growth rate. (Assume t is measured in hours.) k = Correct: Your answer is correct. (b) Find an expression for the number of cells after t hours. P(t) = Correct: Your answer is correct. (c) Find the number of cells after 8 hours. 973078528 Correct: Your answer is correct. cells (d) Find the rate of growth after 8 hours. (Round your answer to three decimal places.) billion cells per hour (e) When will the population reach 20,000 cells? (Round your answer to two decimal places.) 2.81 Correct: Your answer is correct. hr
Mathematics
1 answer:
kozerog [31]3 years ago
5 0

Answer:

The E. Coli will grow at a rate of approximately 800% an hour.

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Authors carefully select the words they use to tell a story. Why did the author of “RefrigaMatic 1234” write this sentence? “The
creativ13 [48]

Answer:

(1) To make the box seem like a real person with feelings and emotions

(3) To foreshadow what may happen in the future

(4) To describe what Aaliyah is seeing

Step-by-step explanation:

I got the answers right.

3 0
2 years ago
What is the value of the expression 1/2 (m-2/3n) when m=3/2 and n= 1/2 ?
yawa3891 [41]

Answer:

B.\frac{7}{12}

Step-by-step explanation:

m=\frac{3}{2}\\n=\frac{1}{2\\} \\\frac{1}{2} (m-\frac{2}{3} n)=\frac{1}{2} (\frac{3}{2} -\frac{2}{3} .\frac{1}{2} )\\=\frac{7}{12}

So B is the correct answer.

4 0
3 years ago
Can someone help me please
tamaranim1 [39]

all shapes with 4 angles are 360 degrees

100+96= 196

360-196= 164

c+d=164

80+84=164

D is 84

C is 80

4 0
3 years ago
Read 2 more answers
If Chris has 10 pencils how many pencils will he need to fill 20 desks
Alenkasestr [34]
He will need 2 pencils to fill 20 desks. Here's how I found the answer:
20÷10=2
2×10=20. So the answer is 2.
7 0
4 years ago
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Which angle has a positive measure?
Ann [662]

Answer:

Usually the angles are measured from quadrant 1, where is the angle 0°.

If the angle moves counterclokwise, it is positive, if the angles goes clokwise, it is negative.

Then "On a coordinate plane, a ray moves counter-clockwise to form an angle. It moves from quadrant 1 to quadrant 4."

Will give a positive angle, and because we know that is in quadrant 4, the angle can be any angle between 270° and 360°

"On a coordinate plane, a ray moves counter-clockwise to form an angle. It moves from quadrant 1 to quadrant 2."

Same as before, this will create an angle with a positive measure, and the angle will be between 90° and 180°

5 0
3 years ago
Read 2 more answers
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