Mathematics, 17.07.2020 21:01 cnejcnefjvefven47
- The regular octagon has a perimeter of 122.4 cm.
- A regular octagon with a radius of 20 centimeters and a perimeter of 122.4 centimeters if shown. Point X is the center point. Lines X Z and X W are radii. Line X Y is an apothem.
- Which statements about the octagon are true? Select TWO options.
[]The length of segment YZ is 15.3 cm.
[]The measure of the angle formed by the radius and the apothem is 30°.
[]The length of segment XY can be found by solving for a in 202 – 7.652 = a2.
[]The length of segment WZ is 20 cm.
[]The measure of the central angle, ∠ZXW, is 45°.
Answers: 2
Mathematics, 21.06.2019 17:40
The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?
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Mathematics, 21.06.2019 18:30
The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.
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Mathematics, 21.06.2019 22:00
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Mathematics, 21.06.2019 22:20
Which strategy is used by public health to reduce the incidence of food poisoning?
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- The regular octagon has a perimeter of 122.4 cm.
- A regular octagon with a radius of 20 centimet...
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