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AVprozaik [17]
3 years ago
11

The function f(x) = 50(1.2)x gives the number of bacteria in a science experiment, where x is the number of days after the start

of the experiment. To the nearest whole number, how many bacteria will there be after 5 days?
a
124
b
300
c
375,000,000
d
777,600,000
Mathematics
1 answer:
mrs_skeptik [129]3 years ago
7 0

Answer:

a. 124

Step-by-step explanation:

f(x) = 50(1.2)^x

x is the number of days. For 5 days, x = 5.

f(5) = 50(1.2)^5

f(5) = 50(2.48832)

f(5) = 124.416

Answer: 124

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1/2

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2 years ago
How much simple interest would 1000 earn in 275 days at an interest rate of 4.21%
nikitadnepr [17]
Now, there are 365 (excluding leap years) in a year, so, 275 days is not even a year, but is  275/365 of a year, or 55/73 of a year.

\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$1000\\
r=rate\to 4.21\%\to \frac{4.21}{100}\to &0.0421\\
t=years\to \frac{275}{365}\to &\frac{55}{73}
\end{cases}
\\\\\\
I=1000\cdot 0.0421\cdot \cfrac{55}{73}
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2 years ago
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Answer:

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Volume = L x W x H

10 x 6 x 3 = 180 in³

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2 years ago
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If a cat catches 120 mice in 30 days,how many mice does it catch in 5 days?​
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Answer:

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Step-by-step explanation:

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2 years ago
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SOLVE PLEASE REALLY NEED HELP<br> 4√n^2 + √m^2n - √4n^2 - √mn^2
Oksi-84 [34.3K]

Answer:

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Step-by-step explanation:

Solution:

4√n^2 +√m^2n - √4n^2 - √mn^2

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Therefore,  m√n + 2n -n√m

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8 0
3 years ago
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