8 avocados cost $16.what is the cost of the one avocado
2 answers:
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Answer:
The equations represent circles that result in the same graph.
Step-by-step explanation:
we have
Divide by -10 both sides
-----> equation A
This is the equation of a circle centered at origin with radius
and
Divide by 5 both sides
-----> equation B
This is the equation of a circle centered at origin with radius
equation A and equation B are equal
therefore
The system has infinite solutions, because the equations represent circles that result in the same graph.
It takes 150 seconds for Qian to complete the track.
Let she runs the track in the clockwise direction.
In 60 seconds, she runs =
th of the track.
Since she meets Marissa, who is running in the opposite (counter clockwise) direction in every 60 seconds, Marissa should have completed th of the track.
Chantel meets Marissa in every 300 seconds.
So, in 60 seconds, she advances Marissa by th of the track.
Hence, in 300 seconds, Qian, Marissa and Chantel all meets at the starting point.
ALITER;
Marissa meets Qian in every 60 seconds.
So, Marissa and Qian meet each other in 60th, 120th, 180th, 240th and 300th second.
But, it is given that Chantel meets Marissa in every 300 seconds.
So, in 300 seconds, Qian, Marissa and Chantel meet each other.
