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kolezko [41]
3 years ago
15

List some ways that modern cities in developed countries have improved sanitation conditions over the last 200 years.

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
7 0
1. Regular trash pick up
2. Regular street cleaning
3. The placement of trash cans throughout cities
lorasvet [3.4K]3 years ago
4 0

Answer:

They can build pipes for clean water, and building toilets can also help get rid of unhygienic.... You know Also, hygiene education would help too.

Hope that helped ya, vote, thanks, and brainliest. Have an great day! :D

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The total revenue R earned (in dollars) from producing a gift box of candles is given by R(p)=-10p^2+800p, where p is the price
kherson [118]
A.) R(20) = -10(20)^2 + 800(20) = -10(400) + 16000 = -4000 + 16000 = $12,000

R(25) = -10(25)^2 + 800(25) = -10(625) + 20000 = -6250 + 20000 = $13,750

R(30) = -10(30)^2 + 800(30) = -10(900) + 24000 = -9000 + 24000 = $15,000

b.) For maximum revenue, dR/dp = 0
dR/dp = -20p + 800 = 0
20p = 800
p = 40

Therefore, the maximum revenue will be recorded when the price is set at $40.
4 0
3 years ago
Mar 12: 3
erastovalidia [21]

Answer:

  • Mar 18: 125
  • Mar 19: 318
  • Mar 20: 743
  • Mar 25: 15,070

Step-by-step explanation:

The six seemingly arbitrary points have no common difference or ratio, so cannot be modeled by a linear or exponential function.

The differences of the differences are not constant at any level, so the only polynomial model is 5th-degree. It is ...

  (6n^5 -95n^4 +600n^3 -1825n^2 +2814n -1320)/60

where n = days after Mar 11. (Mar 12 corresponds to n=1.) The domain is n ≥ 1.

____

The 5th-degree polynomial increases very fast, but not as fast as an exponential function would.

The values for Mar 12 through Mar 25 are ...

  3, 8, 11, 16, 25, 50, 125, 318, 743, 1572, 3047, 5492, 9325, 15070

6 0
3 years ago
A bag contains 6 one-dollar coins and 4 two-dollar coins. Three coins are taken at random without replacement.
IgorLugansk [536]
The answer is b why because I had did it on the test and I had got it right HOPEFULLY IT HELPS
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Ran and hunter newspapers after school. Ray earns $11 more than hunter. if Ray earns ,how much money does hunter earn
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We can't answer it I don't think there is enough info
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How do you go about simplifying 16/80​
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16/80 divided by 16 =1/5
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