Mathematics, 23.03.2021 20:50 amayarayne5
Find the value of 'k' for which the following system of equations has infinite number of solutions.
x + (k + 1)y = 5
(k + 1)x + 9y = 8k - 1
Answers: 3
Mathematics, 21.06.2019 18:20
Find the solution of this system of equation -7x+y=-20 9x-3y=36
Answers: 1
Mathematics, 21.06.2019 19:10
Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?
Answers: 1
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 19:50
Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit
Answers: 1
Find the value of 'k' for which the following system of equations has infinite number of solutions....
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