The simplest form of 21:28 is 3:4. you just divide both numbers by the greatest common factor.
By using a graphing calculator, the solutions are:
(-3, 4) and (1, 0)
Answer:
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Step-by-step explanation:
The average maximum and minimum values of a formula
2x + y = 1
2x - 2x + y = 1 - 2x
y = 1 - 2x
y = -2x + 1
4x + 2y = -1
4x + 2(-2x + 1) = -1
4x + 2(-2x) + 2(1) = -1
4x - 4x + 2 = -1
2 ≠ -1
The solution of the problem can't be a solution because they are both parallel lines, which means they have no solution.
