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Earn +20 ptsQ: What the equations for 30?
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What is the equations for a 30-60-90 triangle?
The answer depends on WHAT the equation is about.
What is the system of equations set in order pairs 3x plus 4y equals 38 5x - 5y equals -30?
Simultaneous equations.
What is the x and y coordinates of these equations y equals 3x and 4x plus 2y equals 30?
4x + 2(3x) = 30 10x = 30 x= 3. Y= 9. (3,9)
How do i solve systems of equations by adding or subtracting?
You multiply one equation by some constant, or both equations by different constants, and then add one equation to another (or subtract). Here is an example: 2x + 4y = 30 x + y = 10 Multiplying the second equation by (-2), you get: 2x + 4y = 30 -2x -2y = -20 Now you can add the two equations together, resulting in: 2y = 10 You can solve this for "y"; then you can replace the value you found in any of the original equations to find the corresponding value for "x".
What are equivalant equations?
Equivalent equations are equations that have the same solution set.
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