In how many ways can 10 athletes be awarded a first-place medal, a second-place medal, and a third-place medal?

Control groups are used in scientific experiments because they

aliya0001 [1]

Answer:

C

Explanation:

It prevents other variables such as independent variables and extraneous variables from affecting the validity of results. It also makes it easier to compare results when variables are changed.

Hope this helps :)

4 0

3 years ago

In the past two decades, the number of teenage pregnancies has

Levart [38]

In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.

<h3>Why has teenage pregnancies has dropped dramatically across all ethnic groups?</h3>

The teenage pregnancies has dropped dramatically across all ethnic groups because of the education , there are alot of parents that are now educated to educate their children about danger of teenage pregnancies.

Also, there has been increased in protective measure by the government to reduce teenage pregnancies, hence, In the past two decades, the number of teenage pregnancies has dropped dramatically across all ethnic groups.

Learn more about teenage pregnancies on:

brainly.com/question/13720222

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4 0

2 years ago

A company has the goal of doubling their revenue from 32million dollars to 64 million dollars over the next 2 years. If the comp

klio [65]

Answer: the company has to increase its revenue in 33.33%

Explanation:

Let's see the companie's goal is to reach 64 million which is the double of 32 million.

the company increases its revenue by 50% which means that the company has increased it revenue in 16 millions.

32 million * 50/100 = 16 million

Now the the first year revenue is 32 million plus 16 million = 48 million

64 million - 48 million = 16 million (amount in which the company has to increase its revenue to reach 64 million)

with a simple three rule

48 million ----- 100%

16 million -------X

X= 1600/48 X= 33.33%

4 0

3 years ago

Read 2 more answers

In a recent television survey, participants were asked to answer ʺyesʺ or ʺnoʺ to the question ʺAre you in favor of the death pe

Vlada [557]

Answer:

A) stratified

Explanation:

Total call including 6500 'yes' and 4100 'no' are 10600 and on each call there was a fifty cent charge. Total charge becomes 5300 $ so this is very straight forward data. And from this test two types of classes are made with cleared population in each class and such cleared population division is example of stratified sampling so this is right answer.

7 0

3 years ago

Read 2 more answers

An intoxicated client was admitted for trauma treatment last night at 2:00 AM (0200). When should the nurse expect to be alert f

Ilia_Sergeevich [38]

The nurse should expect to be alert for withdrawal symptoms between 8:00 and 10:00 AM (0800 and 1000) today (6 to 8 hours after drinking stopped); option E.

<em>Note that the complete question is found below:</em>

<em>An intoxicated client was admitted for trauma treatment last night at 2:00 AM (0200). When should the nurse expect to be alert for withdrawal symptoms?</em>

<em>-about 2:00 AM (0200) tomorrow (24 hours after drinking stopped)</em>

<em>-about 2:00 AM (0200) of hospital day 3 (72 hours after drinking stopped)</em>

<em>-between 8:00 and 10:00 AM (0800 and 1000) today (6 to 8 hours after drinking stopped)</em>

<em>-about 2:00 AM (0200) of hospital day 2 (48 hours after drinking stopped)</em>

<em>-between 8:00 and 10:00 AM (0800 and 1000) today (6 to 8 hours after drinking stopped)</em>

<h3>What are withdrawal symptoms?</h3>

Withdrawal symptoms are those symptoms which are observed in individuals who are addicted to substances show when they suddenly stop using those substances.

Withdrawal symptoms are observed in drug users and alcoholics.

Withdrawal symptoms are seen in alcoholics 6 to 8 hours after drinking stopped.

In conclusion, withdrawal symptoms affect substance abusers.

Learn more about withdrawal symptoms at: brainly.com/question/19369341

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5 0

2 years ago