Mathematics, 20.01.2020 02:31 vicada2782
The price of a sweatshirt at a local shop is twice the price of a pair of shorts. the price of a t-shirt at the shop is $4 less than the price of a pair of shorts. brad purchased 3 sweatshirts, 2 pairs of shorts, and 5 t-shirts for a toal.
let w represent the price of one sweatshirt, t represent the price of one t-shirt, and h represent the price of one pair of shorts. write a system of three equations that represents the price of the clothing.
Answers: 2
Mathematics, 21.06.2019 17:20, ryleepretty
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
Mathematics, 21.06.2019 18:40, calebhoover03
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?
Answers: 1
Mathematics, 21.06.2019 20:30, Franciscoramosxt
What is the difference between the equations of a vertical and a horizontal line?
Answers: 2
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