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devlian [24]
3 years ago
10

50 randomly selected statistics students were asked if they actually read their statistics textbook. 35 responded that they do n

ot read the textbook. What is the value of p for this sample?
Mathematics
1 answer:
konstantin123 [22]3 years ago
4 0
There is no way to answer this without knowing what the variable p stands for
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39. The ratio of new houses to antique houses in a village is 4:5. If there are
jeyben [28]

Step-by-step explanation:

☄ \underline{ \underline{ \text{Question }}}: The ratio of new houses to antique houses in a village is 4 : 5 . If there are 12 new houses , how many antique houses are there ?

☄\underline{ \underline{ \text{Solution}}} :

✏ Let , the number of antique houses in a village be ' x ' .

Then , According to the question :

\sf{ \frac{Number \: of \: new \: houses}{Number \: of \: antique \: houses}  \:  =  \:  \frac{4}{5}}

⤑\sf{ \frac{12}{x}  =  \frac{4}{5}}

Apply cross product property

⤑\sf{4 \times x = 12 \times 5}

⤑\sf{4x = 60}

⤑\sf{ \frac{4x}{4}  =  \frac{60}{4}}

⤑\sf{x = 15}

So, The number of antique houses in a village is 15.

\red{ \boxed{ \boxed{ \tt{Our \: final \: answer :  \boxed{ \bold{15}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ツ

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7 0
3 years ago
in a town, 11 000 people out of the total population of 50 000 are aged under 18. What percentage of the population is aged unde
Katen [24]

Answer:

22%

Step-by-step explanation:

1- 11000/50000 = 0.22

2- 0.22 x 100 = 22%

.. ..

8 0
3 years ago
Identify the graph of the equation y = 2x2 − 2x + 1.
Schach [20]

Answer:

im pretty sure it's c

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP!
Westkost [7]
Hello!

We know that the rate of change is just like speed as in the last Q so....

usually the rate of change is y/x so in this case, The Correct Answer is 100%

Option B "25".

I Hope my answer has come to your Help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)
5 0
3 years ago
Read 2 more answers
What is the solution to the equation <br><br> 7(3-x)=-7(x+3)-4
marissa [1.9K]

Answer:

No solution

Step-by-step explanation:

21−7x=−7x−21−4

21−7x=−7x−25

21=−25

No solution

4 0
3 years ago
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