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A packing machine can pack 4,000 boxes in 5 hours. At what rate does the machine work?
asked
Sep 14, 2017
Mathematics
middle-school
1
answer
4
votes
171k
views
A firecracker shoots up from a hill 140 feet high, with an initial speed of 100 feet per second. Using the formula H(t) = −16t2 + vt + s, approximately how long will it take the firecracker to hit the
asked
Jul 6, 2017
Mathematics
high-school
2
answers
2
votes
129k
views
The sum of three consecutive even numbers is 66. What is the smallest of these numbers
asked
Jun 5, 2016
Mathematics
middle-school
1
answer
4
votes
66.7k
views
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