ericwheeler821
18.11.2019 •
Mathematics
What is the lcm and the gcf of 21 and 30 and 44
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Ответ:
The LCM is: 4620
Ответ:
x = y² / 32
Step-by-step explanation:
Any point on the parabola (x , y)
√(x-8)² + (y-0)² = √(x - -8)² ... (x,y) has equal distance to focus and directrix
(x-8)² + y² = (x+8)²
x²-16x+64+y² = x²+16x+64
y² = 32x
equation: x = y² / 32