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Debora [2.8K]
3 years ago
11

If the number of bacteria in a colony doubles every 400 hours and there is currently a population of 500 bacteria, what will the

population be 800 hours from now?
Mathematics
1 answer:
stiv31 [10]3 years ago
3 0

Answer:

2000 bacterias

suppose, x is the bacteria

there are 500x . for the first 400 hours,the 500 x will double which gives=

500x2=1000 bacterias

then the next 400 hours,the 1000x will double which gives=

1000x2=2000 bacterias

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In a survey of 100 people, 60 like farming and 65 like civil service?

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Is - 11&gt;-16 a true pr false statement
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3 years ago
Write the next whole number after 4444 in the base-five system.
svet-max [94.6K]
<h3>Answer:   10000 in base 5</h3>

====================================================

Explanation:

4+1 = 5 in base 10

But in base 5, the digit "5" does not exist.

The only digits in base five are: 0, 1, 2, 3, 4

This is similar to how in base ten, the digits span from 0 to 9 with the digit "10" not being a thing (rather it's the combination of the digits "1" and "0" put together).

----------------

Anyways let's go back to base 5.

Instead of writing 4+1 = 5, we'd write 4+1 = 10 in base 5. The first digit rolls back to a 0 and we involve a second digit of 1.

Think how 9+1 = 10 in base 10.

Similarly,

44+1 = 100 in base 5

444+1 = 1000 in base 5

4444+1 = 10000 in base 5

and so on.

----------------

Here are the first few numbers in base 5, when counting up by 1 each time.

0, 1, 2, 3, 4,

10, 11, 12, 13, 14,

20, 21, 22, 23, 24,

30, 31, 32, 33, 34,

40, 41, 42, 43, 44,

100, 101, 102, 103, ...

Notice each new row is when the pattern changes from what someone would expect in base 10. This is solely because the digit "5" isn't available in base 5.

7 0
1 year ago
What is the value of x in the <br> triangle?
Makovka662 [10]

Answer:

x = 75°

Step-by-step explanation:

Sum of angles in a triangle: 180°

So,

50°+55°+x=180°

105°+ x = 180°

Subtract 105° from both sides

x = 75°

8 0
2 years ago
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