Mathematics, 30.03.2020 20:30 Barbiealice8362
In 36 randomly selected seawater samples, the mean sodium chloride concentration was 23 cubic centimeters per cubic meter. Assume sample standard deviation is 6.7 cubic centimeters per cubic meter. Construct a 95% and 90% confidence interval for the population mean.
Answers: 2
Mathematics, 21.06.2019 14:00
Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.
Answers: 2
Mathematics, 21.06.2019 14:30
Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done
Answers: 3
Mathematics, 22.06.2019 00:30
Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.
Answers: 1
Mathematics, 22.06.2019 00:50
Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?
Answers: 3
In 36 randomly selected seawater samples, the mean sodium chloride concentration was 23 cubic centim...
Mathematics, 06.05.2020 05:38
English, 06.05.2020 05:38
Mathematics, 06.05.2020 05:38
Mathematics, 06.05.2020 05:38
Health, 06.05.2020 05:38
Mathematics, 06.05.2020 05:38
Mathematics, 06.05.2020 05:38
History, 06.05.2020 05:38