Mathematics, 19.08.2021 03:30 sarahc63
1) Solve the following pair of equation by substitution method. x+y=15 ; 3x -2y=15 2) Solve the following pair of equation by eliminated method. y-2x=5 ; 5y+2x=49
Answers: 1
Mathematics, 21.06.2019 15:40, chaparro0512
If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes
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
1) Solve the following pair of equation by substitution method. x+y=15 ; 3x -2y=15
2) Solve the fo...
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