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NO, a gas formed by the reaction of N2 with O2 in internal combustion engines
answered
Feb 10, 2019
Chemistry
high-school
4
votes
213k
views
Hideki is draining a 45-gallon aquarium at a rate of 15 gallons per minute. What is the initial value of the linear function that represents this situation?
answered
Jun 8, 2018
Mathematics
middle-school
4
votes
45.3k
views
Cindy has 42 meters of fencing. She plans to fence in a rectangular dog run that is 6 meters wide. How long can the run be made?
answered
Feb 21, 2018
Mathematics
high-school
3
votes
172k
views
Integrate xcos(5x) so I set g'(x) = x f(x) = cos(5x) Thus, I get (x^(2)cos(5x)/2) - Integral of 5xcos(5x) so I use substitution u = 5x du/5 = dx therefore, (x^(2)cos(5x)/2) + (1/5)integral of usin(u) giving
answered
May 4, 2017
Mathematics
high-school
5
votes
235k
views
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