Which equation represents a proportional relationship? A) y = 1/4 x B) y = 1/4 x + 1 C) y = 1/4 x + 4 D) y = 1/4 x + 1/4
2 answers:
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Pythagorean theorem:
AC² + BC² = AB²
since this is isosceles (2 sides the same length), we can just let BC = AC and get
AC² + AC² = AB²
2AC² = AB²
AC² = AB²/2
AC = √(AB² / 2)
AC and BC are 6 meters
AC² + BC² = AB²
since this is isosceles (2 sides the same length), we can just let BC = AC and get
AC² + AC² = AB²
2AC² = AB²
AC² = AB²/2
AC = √(AB² / 2)
AC and BC are 6 meters