Mathematics, 27.06.2019 02:30, jdsfdujfi1598
Astudent took a system of equations, multiplied the first equation by and the second equation by , then added the results together. based on this, she concluded that there were no solutions. which system of equations could she have started with? a. -2x+4y=4-3x+6y=6b.3x+y=12-3x+6y=6c. 3x+6y=9-2x-4y=4d. 2x-4y=6-3x+6y=9
Answers: 1
Mathematics, 21.06.2019 18:40, jesus3426
A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days
Answers: 1
Mathematics, 21.06.2019 20:00, mercedespennewp72wea
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0
Answers: 2
Astudent took a system of equations, multiplied the first equation by and the second equation by , t...
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