Mathematics, 24.07.2019 12:00 calvinpaul1966
50 ! a system of equations is shown below: 6x β 2y = 3 (equation 1) 5x + 3y = 4 (equation 2) a student wants to prove that if equation 2 is kept unchanged and equation 1 is replaced with the sum of equation 1 and a multiple of equation 2, the solution to the new system of equations is the same as the solution to the original system of equations. if equation 2 is multiplied by 1, which of the following steps should the student use for the proof? show that the solution to the system of equations 10x + y = 7 and 5x + 3y = 4 is the same as the solution to the given system of equations show that the solution to the system of equations 10x β 2y = 7 and 5x + 3y = 4 is the same as the solution to the given system of equations show that the solution to the system of equations 11x β y = 7 and 5x + 3y = 4 is the same as the solution to the given system of equations show that the solution to the system of equations 11x + y = 7 and 5x + 3y = 4 is the same as the solution to the given system of equations
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Mathematics, 21.06.2019 19:30
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Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
Mathematics, 22.06.2019 00:00
This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1
Answers: 2
50 ! a system of equations is shown below: 6x β 2y = 3 (equation 1) 5x + 3y = 4 (equation 2) a stu...
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