Mathematics, 09.10.2021 14:00 tordiacasey
Câu 1. Cho mệnh d dot hat e :^ *** forall x in mathbb R ,x^ 2 +3x+5>0" Mệnh đề phủ định của mệnh đề trên là A. forall x in mathbb R ,x^ 2 +3x+5<=0 . C. forall x in mathbb R .x^ 2 +3x+5<0 . B. exists x in mathbb R ,x^ 2 +3x+5<=0 . D. exists x in mathbb R ,x^ 2 +3x+5>0 .
Answers: 2
Mathematics, 21.06.2019 13:50
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.
Answers: 1
Mathematics, 21.06.2019 23:40
You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?
Answers: 2
Mathematics, 22.06.2019 01:20
The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes
Answers: 1
Câu 1. Cho mệnh d dot hat e :^ *** forall x in mathbb R ,x^ 2 +3x+5>0" Mệnh đề phủ định của mệnh...
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