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3 years ago

Find the volume of the composite figure. Round the answer to the nearest tenth.

Mathematics

1 answer:

USPshnik [31]3 years ago

4 0

Is the answer that you find when you do the volume plus the number

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In a sample of 408 new websites registered on the Internet, 37 were anonymous (i.e., they shielded their name and contact inform

xeze [42]

Answer: $(0.0628,\ 0.1186)$

Step-by-step explanation:

Given : Significance level : $\alpha:1-0.95=0.05$

Critical value : $z_{\alpha/2}=\pm1.96$

Sample size : n= 408

Proportion of new websites registered on the Internet were anonymous :

$\hat{p}=\dfrac{37}{408}\approx0.0907$

The formula to find the confidence interval for population proportion is given by :-

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

i.e. $0.0907\pm (1.96)\sqrt{\dfrac{0.0907(1-0.0907)}{408}}$

$=0.0907\pm0.0278665515649\\\\\approx 0.0907\pm0.0279\\\\=(0.0907-0.0279,\ 0.0907+0.0279)\\\\=(0.0628,\ 0.1186)$

Hence, the 95 percent confidence interval for the proportion of all new websites that were anonymous = $(0.0628,\ 0.1186)$

8 0

3 years ago

Which quadratic rule represents the data in the table?

Vaselesa [24]

Answer:

x^2 - 5

Step-by-step explanation:

x = -1, y = 1 - 5 = -4.

x = 0, y = 0-5 = -5.

x = 1, y = 1 - 5 = -4.

7 0

3 years ago

Find the area of this figure SHOWING ALL YOUR WORK (preferably on paper). It must include units. Show formulas for area that are

Slav-nsk [51]

Answer:

18550 cm²

Step-by-step explanation:

Please see the attached pictures for full solution.

5 0

3 years ago

PLEASE HELP THIS IS IMPORTANT I will give brainliest

Lunna [17]

Answer:

x= -5

Step-by-step explanation:

MARK AS BRAINLEST!!

7 0

3 years ago

Read 2 more answers

Saturn is about 1.427 x 10^12 miles from the sun. Light travels at approximately 3 x 10^8 miles/second. How long does it take fo

CaHeK987 [17]

Answer:

4,756.66 seconds or 1.321 hours

Here's how I got that:

- Simply use time formula and plug in what you know -

t = distance/speed

↓

1,427,000,000,000/300000000

↓

t = 4,756.66

~That's all folks~

-Siascon

5 0

2 years ago