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2 years ago

Can someone help??? thanks

Mathematics

2 answers:

velikii [3]2 years ago

4 0

The answer to your question is 4(d+3)

Vladimir [108]2 years ago

3 0

So since you're distributing you would put the 4 outside of the parenthesis then put the 12 in the parenthesis.

Hope this helps:)
Mark me as brainliest answer if it did!

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Step-by-step explanation:

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2 years ago

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Please help dhshajgsfge

e-lub [12.9K]

1/8

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2 years ago

A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey resulted in a sample

djyliett [7]

Answer: $(0.10\ ,\ 0.18)$

Step-by-step explanation:

According to the empirical rule, the 95% confidence interval for the true population proportion is given by :-

$(p'-2\sigma_{p'}\ ,\ p'+2\sigma_{p'})$

Given : . The survey resulted in a sample proportion of p′=0.14, with a sampling standard deviation of σp′=0.02, who preferred reading an e-book.

Then, the 95% confidence interval for the true proportion of adults who prefer e-books will be :-

$(0.14-2(0.02)\ ,\ 0.14+2(0.02))\\\\=(0.14-0.04\ ,\ 0.14+0.04)\\\\=(0.10\ ,\ 0.18)$

Hence, the 95% confidence interval for the true proportion of adults who prefer e-books= $(0.10\ ,\ 0.18)$

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2 years ago

How many times larger is 9 × 10^9 than 3 x 10^-4

ratelena [41]

<span> 9 × 10^9
---------------- = 3 x 10^13
</span><span>3 x 10^-4

answer
3 x 10^13 times larger</span>

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2 years ago

Ann is grouping 38 rocks se can put them into Groupon of 10 rocks or as single rocks. What are the difierent ways Ann can Groupo

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She could switch them around by grouping them into groups of 4s, 3s, 2s, or 5s.

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