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Marianna [84]
2 years ago
5

A circle is placed in a square with a side length of 12ft, as shown below. Find the area of the shaded region.

Mathematics
1 answer:
MrRissso [65]2 years ago
3 0
If the circle touches all 4 sides, the diameter is 2 so the area us 3.14(4) = 12.56.

16 - 12.56
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This is stupid I know lol but I'm having a hard time remembering the difference between a histogram and a bar graph. Can someone
Y_Kistochka [10]

<u>In Bar Graphs;</u>

- Bars have equal space

- One the y-axis, we have numbers & on the x-axis, we have data which can be anything.

<u> In Histograms;</u>

- Bars are fixed

- On the y-axis, we have numbers & and on the x-axis, we have data which in continuous & will always be number.

<u>An easy way you can remember the difference is looking at the spaces of the bars. </u>

<em>A bar graph has gaps</em>

<em>A histogram has no gaps.</em>

6 0
2 years ago
The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation
netineya [11]

THIS IS THE COMPLETE QUESTION BELOW;

The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation of 425 dollars and an unknown population mean. A random sample of 22 sociologists is taken and gives a sample mean of 1520 dollars.

Find the margin of error for the confidence interval for the population mean with a 98% confidence level.

z0.10 z0.05 z0.025 z0.01 z0.005

1.282 1.645 1.960 2.326 2.576

You may use a calculator or the common z values above. Round the final answer to two decimal places.

Answer

Margin error =210.8

Given:

standard deviation of 425

sample mean x=1520 dollars.

random sample n= 22

From the question We need to to calculate the margin of error for the confidence interval for the population mean .

CHECK THE ATTACHMENT FOR DETAILED EXPLANATION

4 0
3 years ago
Four members from a ​"55"person committee are to be selected randomly to serve as​ chairperson, vice-chairperson,​ secretary, an
liq [111]

Answer:

8,185,320 different leadership structures

Step-by-step explanation:

Since the order at which the members of the committee are chosen matters, this is a permutation of 4 out 55 people and it is given by:

n=\frac{55!}{(55-4)!}=55*54*53*52 \\\\n=8,185,320

8,185,320 different leadership structures are​ possible.

3 0
2 years ago
A stadiums parking lot can accommodate 5,000 vehicles. If 35% of the 75,000 fans drive to tonight’s game with two fans per car h
geniusboy [140]

Answer:

35 percent of the 75,000 fans is: 0.35*75,000 = 26,250

since there are 2 fans per car we find the number of cars by dividing 26,250 by 2:

26,250 : 2 = 13,125 cars

5,000 will park at the stadium's parking lots, while the rest 13,125 - 5,000 = 8,125 cars will par at satellite lots.

OR

35% of 75000 = 26250

2 fans in a car

So, = 26250/2

= 13125

Total handling space = 5000

13125 - 5000 = 8125

Step-by-step explanation:

5 0
3 years ago
How would I figure this out ?
Anit [1.1K]
They get paid $22 a hour, so ur answer would be 374÷22=$17
3 0
2 years ago
Read 2 more answers
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