2 years ago

Given that line i is perpendicular to plane B, line i is the only line perpendicular to plane B through point V.

Mathematics

1 answer:

nignag [31]2 years ago

6 0

Answer:

Wait what are u asking?

Step-by-step explanation:

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A meat packaging plant uses a machine that packages chicken livers in six pound portions. A sample of 91 packages of chicken liv

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Step-by-step explanation:

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2 years ago

A truck left a station at 6:00am traveling at a rate of 45km/h. A van left the same place 2 hours later heading in the same dire

OverLord2011 [107]

The Van would catch up with the truck at 6:00 pm

Speed is the ratio of distance travelled to time taken. It is given by:

Speed = distance / time

Let us say the van catch up with the truck after t hours at a distance d.

For the truck:

45 = d/t

d = 45t

For the Van:

54 = d / (t - 2)

d = 54t - 108

45t = 54t - 108

9t = 108

t = 12 hours

The Van would catch up with the truck at 6:00 pm

Find out more on speed at: brainly.com/question/3004254

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1 year ago

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A survey of 85 families showed that 36 owned at least one DVD player. Find the 99% confidence interval estimate of the true prop

Katyanochek1 [597]

Answer: $(0.367,\ 0.473)$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

, where $\hat{p}$ is the sample proportion, n is the sample size , $z_{\alpha/2}$ is the critical z-value.

Given : Significance level : $\alpha:1-0.99=0.01$

Sample size : n= 85

Critical value : $z_{\alpha/2}=2.576$

Sample proportion: $\hat{p}=\dfrac{36}{85}\approx0.42$

Now, the 99% confidence level will be :

$\hat{p}\pmz_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.42\pm(2.576)\sqrt{\dfrac{0.42(1-0.42)}{85}}\\\\\approx0.42\pm0.053\\\\=(0.42-0.053,\ 0.42+0.053)=(0.367,\ 0.473)$

Hence, the 99% confidence interval estimate of the true proportion of families who own at least one DVD player is $(0.367,\ 0.473)$

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2 years ago

Each side of a professional baseball base must measure 15inches what is the base side length in feet

Lyrx [107]

1-1/4 feet is the base side length.

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2 years ago

PLEASE HELP THIS IS A TIMED TEST!!!!! I WILL GIVE BRAINLIEST TO THE FIRST GOOD ANSWER IF YOU ASK FOR BRAINLIEST BEFORE ANSWERING

Veseljchak [2.6K]

Answer:

Step-by-step explanation:

6x-15=6x-15

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2 years ago

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