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2 years ago

14

Suppose a scientist puts a colony of bacteria weighing 1 gram in a large container. Assume that these bacteria reproduce in such

a way that their number doubles every 20 minutes.

1 answer:

DedPeter [7]2 years ago

5 0

Answer:

okkkkkkkkkkkkkkkkkkkkkkkkkkk

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What is the slope of the line shown below?

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C) 3

Step-by-step explanation:

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PtichkaEL [24]

The only thing you need to do is divide 56 by -7. You know the d must be a negative number because negative x negative= positive. So 56 / -7 is -8.

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What is 12% of 1,250

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Solve: 8.2 = 3.4 + d d = _____

Alinara [238K]

Answer:

4.8

Step-by-step explanation:

You just subtract to solve for d so,

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2 years ago

When salt and water are combined, they form a salt or saline solution. How much ml of water must be added to 150 mL of an 80% sa

Vinvika [58]

Answer:

We must add 400 ml of water.

Step-by-step explanation:

We can use the following equation:

$C_{i}V_{i}=C_{f}V_{f}$

Where:

C(i) is the initial concentration of the solution (80%)
C(f) is the final concentration of the solution (30%)
V(i) is the initial volume (150 ml)
V(f) is the final volume

Now, we just need to solve the equation for V(f).

$V_{f}=\frac{C_{i}V_{i}}{C_{f}}$

$V_{f}=\frac{80*150}{30}$

$V_{f}=400\: ml$

Therefore, we must add 400 ml of water.

I hope it helps you!

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2 years ago