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svp [43]
2 years ago
11

Help me please edddd

Mathematics
2 answers:
Lemur [1.5K]2 years ago
8 0

Answer:

9v+36

Step-by-step explanation:

9(v+4)

so you just have to multiply 9 with everything inside the parentheses (I wrote that very wrong) so 9*v and 9*4 which equals 9v+36

nydimaria [60]2 years ago
3 0

Answer:

the second one 9v+36

Step-by-step explanation:

because with the way it set up it wants you to multiply 9 by everything inside of the parenthesis so 9 times v is 9v and 9 times 4 is 36 thus 9v+36 and you also take the addition symbol from inside the parenthesis.

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A population of bacteria begins with 1500 bacteria and grows to 4500 in one hour.
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The function that represents the growth of this culture of bacteria as a function of time is; P = 1500e^(1.0986t)

<h3>How to calculate Exponential Growth?</h3>

The formula for exponential growth is;

P = P₀e^(rt)

where;

P = current population at time t

P₀ = starting population

r = rate of exponential growth/decay

t = time after start

Thus, from our question we have;

4500 = 1500 * e^(r * 1)

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In 3 = r

r = 1.0986

Thus, the function that represents the growth of this culture of bacteria as a function of time is;

P = 1500e^(1.0986t)

For the culture to double, then;

P/P₀ = 2. Thus;

e^(1.0986t) = 2

In 2 = 1.0986t

t = 0.6931/1.0986

t = 0.631 hours

Read more about Exponential Growth at; brainly.com/question/27161222

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