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Q: The diameter of a circle is 6 cm. Find its area to the nearest tenth.
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Q: A Circle has a diameter of 17 cm. What is the exact area of the circle? *
A: The diameter of the circle is: 17 cm. Therefore the radius of the circle is: r=172 cm
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Q: what is the area of the inscribed circle of the equilateral triangle with sides 2 cm?
A: See the detailed solution below.
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A: Circle
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A: Given: radius = 6cm Central angle =30°
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A: Given : The diameter of the circle is 6 feet
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A: Given: Circumference of the circle is 32.4 feet To find: Radius of the circle
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A: Given, The diameter of circle is 13 cm. We have to find the area of the circle.
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Q: A circular garden has a diameter of 10 feet. Approximately how much edging trim is needed to…
A: Total length to be trimmed= Circumference of the garden. radius of garden=5 feet
Q: What is the radius of a circle with a circumference of 32 ft?
A: Formula for finding the circumference of a circle with radius r is , Circumference= 2πr In…
Q: If the radius of circle Y is 13.5 inches, then what is the area of circle Y ?
A: Given the radius of circle Y, 'r'= 13.5 inches To find the area of the circle Y 'A'
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A: We have to find the radius of a circle with diameter of 4 cm.
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- Kaitlyn measures the upload speed in megabits per second of her home broadband internet connection during peak hours and off-peak hours. The results are provided in the accompanying table. Peak Off-Peak 5.83 5.14 6.05 6.80 7.14 6.98 3.54 5.77 5.45 7.27 5.90 6.62 5.81 6.19 4.82 6.08 6.37 6.59 4.65 5.58 5.30 7.41 6.48 6.26 5.96 6.37 5.79 6.31 6.84 6.55 5.06 4.95 5.61 7.03 6.45 6.77 Examine the results of Kaitlyn's test to determine the statements that compare the medians and interquartile ranges of the data sets to each other in terms of this situation. Select the two correct answers. The median upload speed during peak hours is 5.905 megabits per second, which is less than the median upload speed during off-peak hours, 7.005 megabits per second. The upload speeds during peak hours are slower on average compared to off-peak times. The median upload speed during peak hours is 6.37 megabits per second, which is greater than the median upload speed during…Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the quake below the surface at the epicenter. x 2.8 3.9 3.3 4.5 2.6 3.2 3.4y 4.7 9.6 11.2 10.0 7.9 3.9 5.5(a) Make a scatter diagram of the data.Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. Then visualize the line you think best fits the data. (b) Use a calculator to verify that Σx = 23.7, Σx2 = 82.75, Σy = 52.8, Σy2 = 447.56 and Σxy = 184.28. Compute r. (Round to 3 decimal places.) As x increases, does the value of r imply that y should tend to increase or decrease? Explain your answer.Given our value of r, we can not draw any conclusions for the behavior of y as x increases.Given our value of r, y should tend to remain constant as x increases. Given our value of r, y should tend to decrease as x increases.Given…A researcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of his research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution. The data in the table attached below summarize the results of his study. Complete parts a) through e) below.
- Sonya collected data on the shoe size worn by each member of her class. She sees that John wears a size 9 shoe. What type of data are these? 1.primary aggregate data 2.secondary aggregate data 3.primary microdata 4.secondary microdatacalculate d and e with good working outs ...Julia is a boutique shop owner in her town. Due to covid-19 pandemic, wearing a facemask of a person is required for their safety. Since there are limited stocks available, she decided to start another business by making a facemask. She started selling facemask from day 1 to day 10. The data she collected is shown in the table below
- In a study, the effects of the mane of a male lion as a signal of quality to mates and rivals was explored. Four life-sized dummies of male lions provided a tool for testing female response to the unfamiliar lions whose manes varied by length (long or short) and color (blonde or dark). The female lions were observed to see whether they approached each of the four life-sized dummies. Complete parts (a) through (e) below. a. Identify the experimental units. Choose the correct answer below. The female lions The male dummies The mane colors The mane lengths Part 2 b. Identify the response variable. Choose the correct answer below. A. Whether or not (yes or no) the mane length affected how the female lions reacted to a male dummy. B. Whether or not (yes or no) the female lions approached the same dummies. C. Whether or not (yes or no) the female lions approached a male dummy. D. Whether or not…Most vertebrate adult body sizes remain constant or increase throughout their lives. Marine iguanas are different in that they can actually decrease in size, in periods of low food availability. Examine the data set here, and test the hypothesis that on average across time, iguana length changed (increased) by 1 mm. Paste your R code in the answer box, and tell me your conclusion. Data is here: https://github.com/lisamanne/biostats_data/raw/main/Iguana_lengths.csv DATA- Tributary,Species_upstream,Species_downstream I��,14,19 Juta�,11,18 Japur�,8,8 Coari,5,7 Purus,10,16 Manacapuru,5,6 Negro,23,24 Madeira,29,30 Trombetas,19,16 Tapaj�s,16,20 Xingu,25,21 Tocantins,10,12Which of these four forecasts seems to have the most bias? A. (6,4,3,2) B. 3-period moving average C. Alpha = .3D. Simple moving average
- A food bank investigates if the number of times their donors walk by a homeless person each week impacts donors’ charitable contribution to the food bank. The data are presented below in standard form. # of homeless people seen each week Donation to food bank Donor ZX ZY 1 -1.3 0.36 2 0.64 -0.09 3 -1.1 1.26 4 -0.14 0.14 5 1.41 -0.54 6 -0.52 -0.09 7 1.03 -1.9 8 0.64 -0.99 9 0.83 0.36 10 -1.49 1.49 What does ΣZXZY equal? A) 941B) 7.86C) -7.16D) -4.44 What is the correlation (Pearson’s r) between the number of homeless people donors see each week and their donation to the food bank (rounded to 2 decimal places)? A) .98B) -.80C) .72D) -.56 What is the obtained t-value for this r? A) -2.96B) -16.35C) -3.72D) -1.89 What are the degrees of freedom? A) 4B) 20C) 8D) 10 What is the critical t-value? A) 3.68B) 2.31C) 2.01D) 3.30 What is your conclusion? A) There is…A food bank investigates if the number of times their donors walk by a homeless person each week impacts donors’ charitable contribution to the food bank. The data are presented below in standard form. # of homeless people seen each week Donation to food bank Donor ZX ZY 1 -1.3 0.36 2 0.64 -0.09 3 -1.1 1.26 4 -0.14 0.14 5 1.41 -0.54 6 -0.52 -0.09 7 1.03 -1.9 8 0.64 -0.99 9 0.83 0.36 10 -1.49 1.49 What does ΣZXZY equal? A) 941B) 7.86C) -7.16D) -4.44 What is the correlation (Pearson’s r) between the number of homeless people donors see each week and their donation to the food bank (rounded to 2 decimal places)? A) .98B) -.80C) .72D) -.56 What is the obtained t-value for this r? A) -2.96B) -16.35C) -3.72D) -1.89Details: A semiconductor manufacturing process creates an average of 0.4 defects per integrated circuit (chip), with the defects occurring independently of each other.