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vazorg [7]
4 years ago
14

A local newspaper wants to find out what readers thought of a controversial article they published. They mailed out a survey to

all of their subscribers and then tallied the results of all the surveys that were returned. Is this a good way for the newspaper to collect information?
Mathematics
2 answers:
Aleksandr [31]4 years ago
6 0

Yes.,this is a good way for the newspaper to collect information.

Step-by-step explanation:

The local news paper mailed out a survey to all of their subscribers those who bought the news paper and read out that controversial article., Gathering information or data from the target group is always acceptable.Email and Web page surveys are the least expensive for large samples than the personal interviews.Using online surveys help them to collect email addresses with lowering cost and increasing speed also real time access to data and more respondents can be attained by sending out randomly selected emails.

So.,

To find out the readers thought about a controversial article published by the news paper can mail a survey to all of their subscribers and can use the results of all the surveys that were returned. This  is a good way for the newspaper to collect information.

galben [10]4 years ago
6 0

Answer:

Yes, it is the easiest way for the newspaper to get responses.

Step-by-step explanation:

I did the test and got 100.

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There is a jar containing 80 all of which are either quarters or die the total value of the coins is $13 how many of each coin a
padilas [110]

Answer:

There are 33 quarters and 47 dimes

Step-by-step explanation:

Let the number of quarters be q.

Let the number of dimes be d.

There are 80 coins in total. Therefore:

q + d = 80 ________(1)

The total value of coins is $13.

The value of a quarter is $0.25 and the value of a dime is $0.10. This means that:

0.25q + 0.10d = 13 _____(2)

We have a system of equations:

q + d = 80 ________(1)

0.25q + 0.10d = 13 ____(2)

From (1):

q = 80 - d

Put this in (2):

0.25(80 - d) + 0.10d = 13

20 - 0.25d + 0.10d = 13

Collecting like terms:

-0.15d = 13 - 20

-0.15d = -7

d = -7 / -0.15

d ≅ 47

Therefore:

q = 80 - 47 = 33

There are 33 quarters and 47 dimes.

3 0
3 years ago
(3.1)(0.02)<br> math help
Liono4ka [1.6K]

Answer:

0.062

Step-by-step explanation:

(3.1)(0.02)=0.062

5 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=4%20%5Ctimes%20%20%7B2%7D%5E%7B%20-%20%20%5Cfrac%7Bt%7D%7B5%7D%20%7D%20%20%3D%20288" id="TexFo
Elena L [17]

~H~e~l~l~o~ !

\text{\underline{A N S W E R : }}

t = -1400

\boxed{\text{EXPLANATION :}}

Multiply the numbers.

4  ·  2 - 1 · \frac{t}{5} = 288

8 - 1 · \frac{t}{5} = 288

Combine multiplied terms into a single fraction.

8 - 1 · \frac{t}{5} = 288

8 + \frac{-t}{5} = 288

Subtract  8  from both sides of the equation.

8 + \frac{-t}{5}  = 288

\frac{-t}{5}  = 280

Multiply all terms by the same value to eliminate fraction denominators.

\frac{-t}{5}  = 2 8 0

5 · \frac{-t}{5} = 5 ·  280

Cancel multiplied terms that are in the denominator.

5   ·  \frac{-t}{5} = 5 ·  280

-t = 5 · 280

Multiply the numbers.

-t = 5 · 280

- t = 1400.

Divide both sides of the equation by the same term.

- t = 1400

\frac{-t}{-1} =\frac{1400}{-1}

Simplify.

t = - 1400

Solution.

- 1400.

\textit{ Hope It Helped! }

\text{\underline{A N S W E R : }}

\textbf{Jace} ノシ

\boxed{\text{And ask me, if you have any questions ! :)}}

7 0
3 years ago
Sorry I did the first part but can u pls do part b and c thanks
bezimeni [28]
Part B: It would be 8x+24. You get 4x+12 and double(times 2) it, it would be 8x+24.
Part C: Yes, because the relationship between the ratio would always be proportional.
8 0
4 years ago
Can someone help me with thos? ^_^ THX!
Inessa [10]
I would think it to be A because 8/12 can be simplified into 3/4
7 0
4 years ago
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