If the bus is on time to the school 90% of the time, how many days can the school expect the bus on time out of 160 days?
1 answer:
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Answer:
Step-by-step explanation:
Given
Vertex of the parabola
Focus of the parabola
As the x coordinate of vertex and focus is same and focus lie below the vertex, therefore the parabola is the type of
distance between Vertex and focus is 1 unit
Parabola becomes