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Salsk061 [2.6K]
3 years ago
8

What do you need to do to extend a number pattern

Mathematics
1 answer:
GREYUIT [131]3 years ago
5 0
You find the pattern and keep doing it.
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magazine provided results from a poll of adults who were asked to identify their favorite pie. Among the ​respondents, ​% chose
Alex73 [517]

Complete Question

A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie. Among the 500 ​respondents, 12 ​% chose chocolate​ pie, and the margin of error was given as plus or minus 5 percentage points.What values do ​ \r p ,  \ \r q, ​n, E, and p​ represent? If the confidence level is 90​%, what is the value of \alpha ​?

Answer:

a

   \r p is the sample proportion   \r  p  =  0.12

   n is the  sample size is  n  =  500

   E is the  margin of error is E  =  0.05

   \r  q represents the proportion of those that did not chose chocolate​ pie i.e                        \r  q  =  1-  \r p

b

   \alpha  = 10\%

Step-by-step explanation:

Here

    \r p is the sample proportion   \r  p  =  0.12

   n is the  sample size is  n  =  500

    \r  q represents the proportion of those that did not chose chocolate​ pie i.e  

      \r  q  =  1-  \r p

      \r  q  =  1-  0.12

      \r  q  = 0.88

     E is the  margin of error is E  =  0.05

Generally \alpha is the level of significance and it value is mathematically evaluated as

     \alpha  = ( 100 -  C  )\%

Where  C is the confidence level which is given in this question as  C =  90  \%

So  

    \alpha  = ( 100 -  90  )\%

    \alpha  = 10\%

5 0
3 years ago
Show your work for the last one! I kind of need this quickly :) <3
pishuonlain [190]

Answer:

3. is 3 (m - 16)(m + 4)

7. is also 3. (2x + 5)(3x - 5)

12. is 4 (x - 6)(x - 4)

the last one is i dont know

5 0
3 years ago
Kiyo bought a pizza for $12.75 and four medium drinks at Pauli´s pizza. Define a variable and write an expression to represent t
Vlada [557]
12.75+4x

Answer: 24.75
3 0
2 years ago
Find the gradient of the line <br><br> 3y + 2x = 1<br><br> how to guys
kykrilka [37]

Answer:

-2/3

Step-by-step explanation:

The gradient of a line is its slope. You can just convert the equation to slope-intercept form (y=mx+b where "m" is the gradient/slope):

3y + 2x = 1

3y = 1 - 2x

y = 1/3 - 2/3x

y = -2/3x + 1/3

So, as we can see, -2/3 is the gradient/slope of the line.

5 0
2 years ago
Monica deposits $100 into a savings account that pays a simple interest rate of 3.8%. Paul
Gnom [1K]

Answer:

Paul

Step-by-step explanation:

Paul earn more than monica. Though he is getting less interest but because of his higher initial amount he is getting more return.

Computing the return of both

Monica return is  100*3.4%= $3.4 in a year

Paul return is 200*%2.2=  $4.4 in a year.

7 0
2 years ago
Read 2 more answers
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