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A ball is thrown into the air with an upward velocity of 40 ft/s. Its height h in feet after t seconds is given by the function h=-16t^2+40t+6. A. In how many seconds does the ball reach its maximum height?
answered
Apr 16, 2017
Mathematics
high-school
5
votes
33.8k
views
Many gardeners use a chemical weed-killer to control plant pests in their gardens. However, many weeds have begun to develop a resistance to these chemical poisons. This is an example of _________________
answered
Jan 24, 2017
Geography
high-school
7
votes
32.6k
views
What is the place value of the digit 4 in this number 608,241
answered
Nov 1, 2015
Mathematics
high-school
2
votes
228k
views
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