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Vlad1618 [11]
3 years ago
15

Julia surveyed twenty households on her street to determine the average number of children living in each household. The tables

below represent the collected data and a randomly selected sample from the population. Compare the mean of the population with the mean of the sample
Mathematics
2 answers:
garri49 [273]3 years ago
8 0

0.55

Hope this helps :)

rodikova [14]3 years ago
5 0

Answer: 0.55

This is the answer... hope this will help y'all. If I'm wrong, please tell me. Thanks ☺️

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What is the inverse function of f(x) = 19/x^3
erica [24]

Answer:

Step-by-step explanation:

1)  Replace f(x) with y:   y = 19/x^3

2) Interchange x and y:  x = 19/y^3

3) Solve this result for y:  xy^3 = 19, or y^3 = 19/x, or

   

    y = ∛[19/x]

                                                         -1

4.  Replace this y with the label    f    (x) =  ∛[19/x]

8 0
3 years ago
Read 2 more answers
For the weight of the box that she measured, Beatriz determined the margin of error as 23.5 pounds to 24.5 pounds. What was the
Marat540 [252]
The greatest possible error is 0.5lb.

The GPE is one half of one unit, no matter which unit you're using or the margin of error you have.

Since we are using pounds in this case, the GPE is 0.5 pounds.
3 0
3 years ago
Read 2 more answers
Write p(x) = 21 + 24x + 6x2 in vertex form.
Citrus2011 [14]

<u>ANSWER</u>

p(x)=-3+6(x+2)^2


<u>EXPLANATION</u>


The given function is


p(x)=21+24x+6x^2


We make the coefficient of x^2 unity by factoring 6 out of the last two terms to obtain;


p(x)=21+6(4x+x^2)


We now add and subtract half the coefficient of x multiplied by a factor of 6 to obtain;


p(x)=21-6(2)^2+6(2)^2+6(4x+x^2)


We now factor 6 out of the last two terms to get;


p(x)=21-6\times 4+6((2)^2+4x+x^2)


p(x)=21-24+6((2)^2+4x+x^2)


The quadratic trinomial in the parenthesis is now a perfect square.


p(x)=-3+6(x+2)^2


Hence the vertex form of the polynomial is


p(x)=6(x+2)^2-3









8 0
3 years ago
Read 2 more answers
How would you ESTIMATE 0.9% of 603?
wariber [46]
 0.9<span>% of </span>603<span> = 5.43 
so estimated is 5.40</span>
6 0
3 years ago
20 POINTS PLEASE HELP!!!!!!!!!!!!!!!!!
Nataliya [291]
BC is greater than AC is correct. If you need help with the construction, feel free to ask.
And maybe you're not clear with the options, because you've written BC two times which is necessarily not an answer/option.
4 0
3 years ago
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