Mathematics, 28.06.2019 13:50 messyquestions
If 9x+2y^2−3z^2=132 and 9y+2y^2−3z^2=−12, then x−y = (a) 3 (b) 8 (c) 16 (d) 120 (e) 144
Answers: 1
Mathematics, 21.06.2019 19:30
Identify the number 127 as a rational or irrational. explain
Answers: 2
Mathematics, 21.06.2019 20:00
What is the x-intercept and y-intercept of the equation 2x+1. 2o
Answers: 2
Mathematics, 21.06.2019 22:30
Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?
Answers: 1
Mathematics, 21.06.2019 22:30
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
If 9x+2y^2−3z^2=132 and 9y+2y^2−3z^2=−12, then x−y = (a) 3 (b) 8 (c) 16 (d) 120 (e) 144...
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