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Ilia_Sergeevich [38]
3 years ago
5

Mason wants to buy some pull toys for his dogs. Each toy costs $3. He knows that 1 toy costs $3, 2 toys cost $6, and 3 toys cost

$9.
How much will 4 toys cost?
Mathematics
1 answer:
Ainat [17]3 years ago
5 0
1 toy costs $3  (  $3 x 1 = $3)<span>
2 toys cost $6  ( </span> $3 x 2 = $6)<span>
3 toys cost $9  </span>(  $3 x 3 = $9)
4 toys cost $12 ( $3 x 4 = $12)

answer 4 toys will cost $12
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Answer:

We are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%

Step-by-step explanation:

-From the given information, \hat p=0.65.

-We calculate the confidence interval using this value at 95% confidence level:

CI=\hat p\pm z \sqrt{\frac{\hat p(1-\hat p)}{n}}\\\\\\=0.65\pm 1.96\times \sqrt{\frac{0.65\times 0.35}{12000}}\\\\\\=0.65\pm 0.0085\\\\\\=[0.6415,0.6585]

So, the 95% confidence interval is (0.6515,0.6585).

Hence, we are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%.

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3 years ago
A box is filled with thirty six plates. How many boxes can be filled with a thousand plates?
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Hello there ^ _ ^


We know that 36 plates filled 1 box
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All we have to do is divide 1000 by 36 to find the answer.

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3 years ago
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Natalka [10]

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Answer:

Step-by-step explanation:

Additive inverse of (5a² - 4a + 3) should be added to make them zero

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4 0
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