3 years ago

PLZ HELP I HAVE TO FINISH THIS IN 35 MINUTES! (30 POINTS)

1 answer:

5 0

A rational inequality is an inequality that contains a rational expression, Inequalities such as 32x>1, 2xx−3<4, 2x−3x−6≥x, and 14−2x2≤3x

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The number of bacteria in a certain culture doubled every hour. If there were 30 bacteria present in the culture initially, how

vichka [17]

Answer:

The number of bacteria after $8th$ will be $3840$

Step-by-step explanation:

Given the initially 30 bacteria present in the culture.

Also, the number of bacteria got doubled every hour.

So, using the equation

$A=A_0r^{n-1}$

Where $A$ is number of bacteria after $n$ hours.

$A_0$ is bacteria present initially.

$r$ is the common ration, in our problem it is given that bacteria doubles every hour. So, $r=2$

And $n$ is the number of hours. In our problem we need amount of bacteria at the end of $8th$ hours. So, $n=8$

Plugging values in the formula we get,

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So, number of bacteria after $8th$ will be $3840$

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