Mathematics, 18.10.2020 16:01 tyraxoxo
In order to solve the following system of equations by addition, which of the
following could you do before adding the equations so that one variable will
be eliminated when you add them?
2x - 4y=5
61 - 3y=10
A. Multiply the top equation by-3 and the bottom equation by 2.
B. Multiply the top equation by 3 and the bottom equation by 4.
C. Multiply the top equation by-2.
D. Multiply the top equation by-3.
Answers: 3
Mathematics, 21.06.2019 13:20
Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6
Answers: 1
Mathematics, 21.06.2019 17:40
Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882
Answers: 1
Mathematics, 22.06.2019 04:00
The length of a rectangular plot of land is given by the expression 6x^3y^4. the width of the plot is given by the expression 5x^5y^4z. find an expression to represent the area of the rectangular plot.
Answers: 1
In order to solve the following system of equations by addition, which of the
following could you d...
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