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Earn +20 ptsQ: How many solutions does -7 equals 4 have?
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Does 7 plus 3x equals 7 have many solutions no solutions or 1 solution?
One solution.
What are the solutions to the equations 3x -5y equals 16 and xy equals 7?
Equations: 3x-5y = 16 and xy = 7 Solutions: (7, 1) and (-5/3, -21/5)
How many solutions are there in the quadratic equation x2 - 4x - 77 equals 0?
There are two solutions for x: x=11 and x=-7
3-4 min equals How many Seconds?
7
Does a solution that has pH equals 7 has the same concentration of hydronium ions as a solution that has pOH equals 7?
Yes, if both solutions are at 25oC then in both solutions this is valid: pH + pOH = 14.0
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