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lisov135 [29]
2 years ago
9

Which of the following can reduce indoor pollution.

SAT
1 answer:
irina [24]2 years ago
7 0

Answer:

Ventilation and shading can help control indoor temperatures. Ventilation also helps remove or dilute indoor airborne pollutants coming from indoor sources. This reduces the level of contaminants and improves indoor air quality (IAQ).

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31. All the following are effective ways of preparing for an Interview EXCEPT
frez [133]
Memorising interviews questions and answers because you don’t want to sound too rehearsed
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3 years ago
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What does it mean if hes gay for the homies but hes striaght?
topjm [15]

Answer:

it means he got love for his homies but he likes girls overall

Explanation:

ty for the points <3

7 0
3 years ago
To compare the average amount of time that canadians and americans spend commuting, a researcher collects a sample of canadians
yKpoI14uk [10]

The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

<u>Canadians</u>

  • Sample size = 50
  • Mean = 4.6
  • Standard deviation = 2.9

<u>Americans</u>

  • Sample size = 60
  • Mean = 5.2
  • Standard deviation = 1.3

The standard error of a sample is the quotient of the standard deviation and the square root of the sample size.

This is represented as:

SE = \frac{\sigma}{\sqrt n}

The standard error of the Canadian sample is:

SE_1 = \frac{2.9}{\sqrt{50}}

So, we have:

SE_1 = 0.41

The standard error of the American sample is:

SE_2 = \frac{1.3}{\sqrt{60}}

So, we have:

SE_2 = 0.17

The standard error of the difference of sample means is then calculated as:

SE= \sqrt{SE_1^2 + SE_2^2}

This gives

SE= \sqrt{0.41^2 + 0.17^2}

SE= \sqrt{0.197}

Take square roots

SE= 0.444

Hence, the standard error of the difference of sample means is 0.444

Read more about standard errors at:

brainly.com/question/6851971

5 0
2 years ago
Jessica wants to get a credit card, but the bank is refusing to give her one. What could be the possible reason behind the bank'
tangare [24]

Answer:

B. She has a bad credit history

Explanation:

One of the main requirements to get a credit card is to have a good credit score and this is one of the things that banks check. If someone that request a credit card has a bad credit history, the bank will refuse to give it. Because of that, the possible reason behind the bank's refusal to comply with Jessica's request is that she has a bad credit history.

The other options are not right because it is not necessary to have an account with the bank to get a credit card, a good credit history will allow you to get it, the age is not an issue and if someone doesn't have enough resources to get the card, it is possible to have a cosigner for the bank to approve it.

7 0
3 years ago
Please help! this is due today! No links please and full paragraph form answer! Will give you brainliest!
leonid [27]

Answer:

1. Hailstones are formed when raindrops are carried upward by thunderstorm updrafts into extremely cold areas of the atmosphere and freeze. Hailstones then grow by colliding with liquid water drops that freeze onto the hailstone's surface.

2. It's slightly complicated to me because you have to take into consideration the change in pressure as well as the geometric growth of the volume of a sphere as you increase the radius.

3. When you are measuring the air temperature, be sure to have the thermometer in the shade. If the sun shines on the thermometer, it heats the liquid. Then the reading is higher than the true air temperature. Also, when you take the thermometer outside, give it enough time to adjust to the outdoor air temperature. That might take several minutes.

Hope that helps (:

Explanation:

7 0
3 years ago
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