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marusya05 [52]
3 years ago
10

A sample of bacteria is growing at an hourly rate of 14% according to the continuous exponential growth function. The sample beg

an with 7 bacteria. How many bacteria will be in the sample after 22 hours?
Mathematics
1 answer:
ValentinkaMS [17]3 years ago
3 0

Answer:

125.0272

Step-by-step explanation:

7 (1.14)^22

Each hour it grows 14%. This means after 1 hour, it has grown 7*1.14. After two hours 7*1.14 (1.14) or 7*(1.14)^2, etc so after 22 hours use equation above to solve.

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4 years ago
Simplify A (x - 5) - A (x + 2)
disa [49]

ax -5a - ax+ a2= ax-ax=0 5a+a2

3 0
3 years ago
Read 2 more answers
Is the relationship shown by the data linear? If so, model the data with an equation.
zhenek [66]

Answer:

Therefore the equation of the line through ( -7 , 5 ) and ( -5 , 9) is

Linear Relationship i.e y-5=2(x+7)

Step-by-step explanation:

Given:

Let,

point A( x₁ , y₁) ≡ ( -7, 5 )  

point B( x₂ , y₂) ≡ (-5, 9)  

To Find:

Equation of Line AB =?

Solution:

Equation of a line passing through Two points A( x₁ , y₁) and B( x₂ , y₂)is given by the formula

(y - y_{1} )=(\frac{y_{2}-y_{1} }{x_{2}-x_{1} })\times(x-x_{1}) \\

Substituting the given values in a above equation we get

(y-(5))=(\frac{9-(5)}{-5--7})\times (x--7)\\ \\(y-5)=\frac{4}{2}(x+7)\\\\y-5=2(x+7)...............\textrm{which is the required equation of the line AB}

Therefore the equation of the line through ( -7 , 5 ) and ( -5 , 9 ) is

Linear Relationship i.e y-5=2(x+7)

4 0
3 years ago
you can calculate the probabilityof a random event, such as the rolling of dice or dealing of cards, by _____
Tasya [4]

Answer:

Making a fraction.

Step-by-step explanation:

Put the favored outcome as the numerator. Then, put the total number of outcomes as the denominator and boom, you have calculated probability. *Thumbs Up*

7 0
3 years ago
Following from greatest to least 5 * 10 ^ 3 3.2 * 10 ^ 8 1.2 * 10 ^ 8 7 * 10 ^ 5
Zina [86]

Answer:

3.2*10^8>1.2*10^8>7*10^5>5*10^3

Step-by-step explanation:

5*10^3 = 5000

3.2*10^8=320000000

1.2*10^8=120000000

7*10^5=700000

320000000>120000000>700000>5000

therefor

3.2*10^8>1.2*10^8>7*10^5>5*10^3

7 0
4 years ago
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