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3 years ago

In an experiment, every hour 20% of the total number of bacteria die, and those remaining bacteria

Mathematics

1 answer:

Ne4ueva [31]3 years ago

7 0

Answer:

Hi there!

Your answer is;

There are 50 bacteria after 3 hours

Step-by-step explanation:

After three hours, with a rate of 20% an hour, 60% should have died

20% of 125 is?

100% is 125

/100

1% is 1.25

×60

60% is 75

125-75= 50

Hope this helps

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Mashcka [7]

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2 years ago

Read 2 more answers

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shepuryov [24]

Answer:

Largest number ins scientific notation: 1.4 x 10⁹ (Diameter of sun)

Step-by-step explanation:

We need to find the largest number ins scientific notation.

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2 years ago

Simplify:<br> -3/8+ (-1/4)

Salsk061 [2.6K]

Answer:

Exact form: - 1/8

Decimal form: -0.125

6 0

3 years ago

Please help me mane fr

VMariaS [17]

Hi There!

Answer:

25x² - 4

Step-by-step explanation:

Solve: (5x - 2)²

Step 1: 25x² - 2²

Step 2: 25x² - 4

Hope This Helps :)

7 0

2 years ago

the height of a tree was 12 feet. after a year, the tree's height increased 25%. what is the height of the tree after a year

Margaret [11]

Answer:

15 feet

Step-by-step explanation:

7 0

3 years ago