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Paladinen [302]
2 years ago
13

A culture started with 2,000 bacteria. After 8

Mathematics
1 answer:
bonufazy [111]2 years ago
6 0

After 19 hours, 3,084 bacteria will be present.

<h3>What is Exponential function?</h3>

An exponential function is a type of function in math that involves exponents. A basic exponential function is of the form f(x) = bˣ, where b > 0 and b ≠ 1.

Here, given equation;

          P = Ae^{kt}

This is a geometric sequence but you don't know the growth factor, so you would solve for it first.

2400= 2000(x)⁸

1.2= x⁸

x= 1.02305188

You can round depending on what your teacher prefers.

Now you can plug in your growth factor and solve.

A(19)= 2000 X (1.02305188)¹⁹

A(19)= 2000 X 1.54189747739

A(19)= 3083.79495477

Thus, after 19 hours, 3,084 bacteria will be present.

Learn more about Exponential function from:

brainly.com/question/12161027

#SPJ1

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The scale factor is 7
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Change to a decimal: 14 1/2 %.<br><br><br> 0.145<br><br> 0.0145<br><br> 14.5
bearhunter [10]
The answer is <span>0.145</span>
<span>14 1/2 can be expressed as:
</span>14  \frac{1}{2} = 14+ \frac{1}{2} =14+ \frac{1*5}{2*5} = 14+ \frac{5}{10} = 14 + 0.5 = 14.5
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Since we know that x% is x/100, then </span>14 1/2 % can be expressed as:
14 1/2% = 14.5% = 14.5/100 = 0.145
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3 years ago
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The formula κ​(x)= f′′(x) 1+f′(x)23/2 expresses the curvature of a​ twice-differentiable plane curve as a function of x. Use thi
Katyanochek1 [597]

Answer:

K(x) =  \frac{-10}{[1 + (-10x)^2]^{\frac{3}{2} } }    ( curvature function)

Step-by-step explanation:

considering the Given function

F(x) = -5x^2

first Determine the value of F'(x)

F'(x) = \frac{d(-5x^2)}{dy}

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next we Determine the value of F"(x)

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F" (x) = -10

To find the curvature function we have to insert the values above into the given formula

K(x)  = \frac{|f"(x)|}{[1 +( f'(x)^2)]^{\frac{3}{2} } }

 K(x) =  \frac{-10}{[1 + (-10x)^2]^{\frac{3}{2} } }    ( curvature function)

       

6 0
4 years ago
Dora took 10 hours to walk a 30 mile trail how long did it take her to walk 9 miles going the same speed?
Brrunno [24]
3 hours
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7. Calculate Rock A contains
Salsk061 [2.6K]

Answer:

45% of the rock is mica

Step-by-step

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