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Svetlanka [38]
2 years ago
11

Can someone help me with this

Mathematics
2 answers:
rjkz [21]2 years ago
6 0

Answer: 270 and on the Second page is 50

Step-by-step explanation:I think that’s correct

Genrish500 [490]2 years ago
3 0

Answer:

270

Step-by-step explanation:

that is 90% of 300

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Hi if u could help me that would be great, have a nice day!!!
LenaWriter [7]

Hey there! I'm happy to help!

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

<u>OVERVIEW</u>

Random sampling is when you take a sample of something completely at random. This is done to avoid bias and other stuff like that. It makes the data a lot more pure, real, and factual.

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

<u>CHOOSING THE ANSWER</u>

OPTION A: A SCHOOL NEWSPAPER ASKS TEACHERS IN THAT MIDDLE SCHOOL HOW THEY FEEL ABOUT THE BEHAVIOR OF TWELVE YEAR OLD BOYS.

Does this seem very random to you? They're asking all the teachers who work at a certain junior high to talk about twelve year old boys. But, the teachers are definitely going to have some sort of bias towards twelve year old boys because they work with them, and since all of the samples are teachers, this is going to have biased data. Therefore, answer A is incorrect.

OPTION B: A NATIONAL SURVEY COMPANY PICKS ONE PHONE NUMBER FROM EACH AREA CODE IN AMERICA TO CALL AND ASK FOR AN OPINION ON CURRENT POLITICAL ISSUES.

This definitely seems a lot more random. There is only one phone number from each area code and there are many area codes in the United States so you get a bit of what everyone thinks about an issue. There is no bias because there is one random phone number and there are many different places this is done. Therefore, option B is correct.

OPTION C: MIGRANT WORKERS ARE SURVEYED ON THEIR OPINION OF MANDATORY HEALTH INSURANCE FOR COMPANIES.

This is not very random because they are asking a specific group of workers about a company and business ordeal. It is not very random because the migrant workers are specifically being asked, not random people. Therefore, option C is incorrect.

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

<u>THE SOLUTION</u>

Therefore, Option B is the correct answer.

I hope that this helps! Have a wonderful day!

7 0
3 years ago
Please answer correctly !!!!! Will mark brainliest answer !!!!!!!!!!
Maurinko [17]

Answer:

same

Step-by-step explanation:

The maximum of f(x) is 8 because it's written in vertex notation. From the graph, g(x)'s maximum is 8 so the answer is that they have the same maximum.

3 0
3 years ago
Kevin filled up his 14-gallon gas tank for $29.26. What was the price per gallon?
Pachacha [2.7K]

Answer:


Step-by-step explanation: You just divide 29.26 dollars by 14 and get the unit rate of ..

2.09

7 0
3 years ago
Which one of the following pairs of angles x and y are supplementary, answer ASAP i NEED help please, 10 points per person
vampirchik [111]

Answer:3. B 4. B

Step-by-step explanation:3. Supplementary equals 180, 113 + 67 = 180

4 0
3 years ago
in 2001 John makes an investment investment and $50,000 decreases in value of the rate of 2.5% per year write an exponential fun
VARVARA [1.3K]

Answer:

$39811.77

Step-by-step explanation:

If we put y as the unit of year, the function will be 50000x0.975^y (100%-2.5% is 97.5%). And so from 2001 to 2010, nine years has passed, so the equation will be 50000x0.975^9 And if you calculate and round the answer to the nearest hundredth (cent), you will find $39811.77.

5 0
3 years ago
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