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Mathematics

1 answer:

Travka [436]2 years ago

6 0

Answer:

b. 4 min c. 5 min

Step-by-step explanation:

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A regular hexagon rotates counterclockwise about its center. It turns through angles greater than 0° and less than or equal to 3

Leya [2.2K]

You can draw lines from the center of the hexagon to the peak. And you can find that this hexagon is divided to 6 parts. Every 60° can the hexagon map onto itself. So at 60,120,180,240,300 and 360 total 6 times.

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Softa [21]

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slope = 0

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point1 = (0,7)

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Enter the exact product of 5.21 •7.3.

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Which equation is true?

amm1812

D is the answer
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2 years ago

A survey found that 89% of a random sample of 1024 American adults approved of cloning endangered animals. Find the margin of er

Kobotan [32]

Answer:

The margin of error for the survey is 0.016

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1024

Sample proportion:

$\hat{p} = 89\% = 0.89$

We have to find the margin of error associated with a 90% Confidence interval.

Formula for margin of error:

$z_{stat}\times \sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.10} = 1.64$

Putting the values, we get:

$M.E = 1.64\times (\sqrt{\dfrac{0.89(1-0.89)}{1024}})\\\\M.E=0.016$

Thus, the margin of error for the survey is 0.016

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2 years ago

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