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kaheart [24]
3 years ago
5

Joanne puts 40 bacteria in a petri dish. The population of bacteria is doubling every hour. Which function best represents the s

ituation?
Mathematics
1 answer:
tino4ka555 [31]3 years ago
3 0
Key points:

In exponential growth, a population's per capita (per individual) growth rate stays the same regardless of population size, making the population grow faster and faster as it gets larger.
In nature, populations may grow exponentially for some period, but they will ultimately be limited by resource availability.
In logistic growth, a population's per capita growth rate gets smaller and smaller as population size approaches a maximum imposed by limited resources in the environment, known as the carrying capacity (
K
KK).
Exponential growth produces a J-shaped curve, while logistic growth produces an S-shaped curve.
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( CORRECT ANSWER GETS BRAINLIEST AND FULL RATINGS !! )
Wewaii [24]
<span>38 - 7r = 3(6 - 4r)
38 - 7r = 18 - 12r
-7r + 12r = 18 - 38
5r = -20
r = -4</span>
8 0
3 years ago
Find the nth term of this sequence, 3, 6, 9, 12
miss Akunina [59]

Answer:

\large\boxed{\sf n^{th} \ term =3n}}

Step-by-step explanation:

Find common difference from subtracting any term in the sequence with the previous term.

\large{\sf 6-3}=3

Apply nth term formula.

\large{\sf a_n=a_1+(n-1)d

\large{\sf d=3 \ \ a_1=3}

\large{\sf a_n=3+(n-1)3

\large{\sf a_n=3+3n-3

\large{\sf a_n=3n}

3 0
3 years ago
Read 2 more answers
Classify each number below as a rational number or an irrational number. −17.6 , 81 , 15π , (square root −29), 13/14
gregori [183]

Answer:

Rational Numbers

−17.6 (-176/10)

81

13/14

Rational Numbers

15π

square root −29

Step-by-step explanation:

Rational Numbers are those numbers which can be written as Ratio of two numbers.

Irrationational Numbers are those which cannot be written as ratio of two numbers. such as recurring numbers.

e.g 0.26262626.........

4 0
3 years ago
John is starting a roofing business. He will need to buy a truck and some supplies to get the business going, the truck cost $13
JulijaS [17]
John will only need to buy the truck once, so that is $13,000. 
27,000-13,000=14,000 
If each project costs 1,000, he can complete 14 jobs. 
3 0
3 years ago
What is 49% of 15?<br> Is it 1.5,4,7.5,or 9?
Semmy [17]
49\% \ of \ 15  \\ \\  \frac{49}{100} \cdot15= \frac{735}{100}=\boxed{\boxed{7.5  }}
4 0
3 years ago
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