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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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These two scalene triangles are similar with a scale of 4:5. What is true about these figures?
disa [49]

Alright, lets get started.

Lets check each possible answer one by one.

We will start from option B.

BC is from small triangle and its corresponding side is DF, so its ratio will be \frac{4}{5} not \frac{5}{4} as given in option. Hence option B is incorrect.

For option C,

Angle a° and angle f° are not similar angles, if they were similar, then only their ratio will be 1 otherwise not 1. Hence option C is incorrect.

For option D,

Angle c° and angle f° are similar angles so, their ratio will be \frac{c}{f}  = 1. Hence option D is incorrect.

Now option A,

ED and AB are corresponding sides. ED is from bigger triangle and AB is from smaller triangle. Their ratio will be \frac{ED}{AB} =  \frac{5}{4}. Hence option A is correct answer.

Hope it will help :)




6 0
2 years ago
Read 2 more answers
If you could help I would really appreciate it, but if not that’s fine. Thank you.
tigry1 [53]
Since 6 is greater than 5 you input it into the last equation!

2•(6^2) -7
2•(36) -7
72 -7
65

The answer is 65!
5 0
3 years ago
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