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A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t2 + 20t + 6 where t is the time in seconds, the ball is in the air. When will the ball hit the ground?
asked
Feb 16, 2016
Mathematics
high-school
1
answer
2
votes
88.7k
views
What is the sum of the two digit multiples of 11?
asked
Nov 23, 2015
Mathematics
middle-school
2
answers
5
votes
68.7k
views
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