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NeX [460]
2 years ago
11

In a lab, a colony of 100 bacteria is placed on a petri dish. The population triples every "h" hour. What is the population of b

acteria in 2 hours? Use the formula here: f(h) = 100 * (3)^h *
Mathematics
1 answer:
dlinn [17]2 years ago
8 0

Answer:

900

Step-by-step explanation:

3 squared is 9. 9 time 100 is 900

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With her new trainer, Judy now bikes at an average speed of 24.1 MPH. That is 20.5% faster than she averaged with her old traine
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Answer: an average of 13.5 mph is very respectable

Step-by-step explanation:

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3 years ago
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Eli invested $ 330 $330 in an account in the year 1999, and the value has been growing exponentially at a constant rate. The val
Cloud [144]

Answer:

The value of the account in the year 2009 will be $682.

Step-by-step explanation:

The acount's balance, in t years after 1999, can be modeled by the following equation.

A(t) = Pe^{rt}

In which A(t) is the amount after t years, P is the initial money deposited, and r is the rate of interest.

$330 in an account in the year 1999

This means that P = 330

$590 in the year 2007

2007 is 8 years after 1999, so P(8) = 590.

We use this to find r.

A(t) = Pe^{rt}

590 = 330e^{8r}

e^{8r} = \frac{590}{330}

e^{8r} = 1.79

Applying ln to both sides:

\ln{e^{8r}} = \ln{1.79}

8r = \ln{1.79}

r = \frac{\ln{1.79}}{8}

r = 0.0726

Determine the value of the account, to the nearest dollar, in the year 2009.

2009 is 10 years after 1999, so this is A(10).

A(t) = 330e^{0.0726t}

A(10) = 330e^{0.0726*10} = 682

The value of the account in the year 2009 will be $682.

4 0
3 years ago
What is 4/5 divided 1/3
vova2212 [387]
The answer would be 2.4, or in fraction form 12/5. Please mark brainliest <3
5 0
3 years ago
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Write an equivalent fraction for each whole number 6, 8, 4, 3, 1, 5
Y_Kistochka [10]
6 = 12/2
8 = 24/3
4 = 16/4
3 = 18/6
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8 0
3 years ago
Given b=4 and h=1, what is the equation of the graph if the parent function is Y=square root of X?
Anika [276]

Answer:

Given: b = -2

h = 4

Parent function y = root x or y = √x

Using the following equation we can find out the equation of the graph:

Step-by-step explanation:

5 0
3 years ago
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