Answer:
dư 0... 7^300 chia 7 đc 7^299 mà
Answer:
i dont know what is that explain that
9 x² + 16 y² = 144 /:144
General formula of ellipse ( the center is at the origin ):
a² = 16, b² = 9
Domain: [-a, a ] = [-4, 4]
Range:[-b, b ]
Answer:
B ) ellipse.Domain: { -4 ≤ x ≤ 4 }Range: { -3 ≤ y ≤ 3 }
To find the average: the sum of the values/number of values
=250+310+275+195/4
=257.5