Mathematics, 13.12.2020 15:30, Queiao4088
Lines a, b, and c lie on the same coordinate plane. Line a is perpendicular to line b and intersects at (3, 6). Line b is perpendicular to line c, which is the graph of y = 2x + 3. Write the equations of lines a and b.
Answers: 3
Mathematics, 21.06.2019 16:50, gesic2003
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 21.06.2019 19:00, cheryljoseph69
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?
Answers: 3
Lines a, b, and c lie on the same coordinate plane. Line a is perpendicular to line b and intersects...