Mathematics, 27.11.2020 22:00, Vlop2780
Which ordered pair is a solution to the linear system? –4x – 5y = 12 and 6x + 5y = 2
A)
(7,7)
B)
(7,–8)
C)
(–8,–6)
D)
(–8,–7)
Answers: 1
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Question 7 of 47 1 point what is the equation of a line with a slope of 1/2 that passes through the point, (-2,5)? o a. 1/2x+3 o b. y=1/2x+5 o c. y=x+5 o d. y=1/2x+6
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
Which ordered pair is a solution to the linear system? –4x – 5y = 12 and 6x + 5y = 2
A)
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