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Mathematics, 21.06.2019 17:30
Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .
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Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
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Mathematics, 22.06.2019 03:40
The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?
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Mathematics, 22.06.2019 06:30
I. given that abcde = fghij, fill in the blanks. 1. ab = = 4cm 2.bc = = 4cm 3.ed = = 7cm 4.ea = 5.aed = 6.bae = 7.dcb = 8.given that klmnop = uvwxyz k = 70°, l = 80°, m = 90°, n = 100°, ml = 5cm, and op = 6cm, find 9.u = 10.w = 11. yz = 12.wv = _5_cm (answered)
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How are unit circle and trigonometric functions related?...
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