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oksano4ka [1.4K]
3 years ago
5

*will give brainliest*

Mathematics
2 answers:
dimaraw [331]3 years ago
6 0

Answer:

36450

Step-by-step explanation:

4.5 hours in minutes = 270

Every 45 minutes, bacteria triples

You start with 50

Divide 270 (total time) by 45 (every time bacteria triples)

270/45 = 6

50 * (3^6)

3^6 = 729

50 * 729

36,450 bacteria

stellarik [79]3 years ago
3 0
Ur answer is B. 36,450
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Answer:

17

Step-by-step explanation:

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6 0
3 years ago
One afternoon, 27 people withdraw $100 from an ATM. What was the overall change in the amount of money in the machine?​
Usimov [2.4K]

Answer:

The change is a decrease of $2700.

Step-by-step explanation:

Given

Total Number of people = 27

Amount each person withdrew = $100

The total withdrawn amount by 27 people = 100 × 27

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It means the change is a decrease of $2700.

3 0
3 years ago
Steve got his car fixed for $557. After taxes it cost him $594. What was the tax rate to the nearest %?
I am Lyosha [343]
You're nearly there. Just some more steps.
557 * x = 594 tells us 
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When we've found this number we must realise the following:
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To find the tax rate we multiply 0.66427 by 100, which gives us:
0.66427 * 100 = 6.6427 ≈ 7

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6 0
3 years ago
Use the​ power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonome
jolli1 [7]

Answer:

Answer is attached

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ad-work [718]

Answer:

question A: 50%

Step-by-step explanation:

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7 0
3 years ago
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