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Mathematics, 21.06.2019 17:00
Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
Answers: 1
Mathematics, 21.06.2019 18:00
Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?
Answers: 1
Mathematics, 22.06.2019 03:10
If the alternate hypothesis of an experiment is “the true mean height of the giraffes is more than 15 feet” what is the null hypothesis?
Answers: 1
Find the solution of 4(x+3)=2(2x+9)...
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