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Elden [556K]
3 years ago
10

Solve for D. pls help !!

Mathematics
1 answer:
Georgia [21]3 years ago
6 0

Answer:

-19

Step-by-step explanation:

d+7=-12

d=-19

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avanturin [10]

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%.

6 0
3 years ago
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Answer:

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7 0
3 years ago
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Which of the following is the same as 2.3×10^3
gregori [183]
The answer would be C) 2,300.
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David made a class banner out of a large rectangular piece of paper. He cut a
Irina18 [472]

Answer:

100 in²

Step-by-step explanation:

The area of the banner is equal to the area of the initial rectangle minus the area of the cutout triangle.

The rectangle has a height of 8 inches and width of 14 inches, so its area is:

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3 years ago
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Answer:

B and E

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Since, d( B, D) = d( D, E)

Therefore, Point D is 1/2 of the distance between B and E.

5 0
3 years ago
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