Mathematics, 22.08.2021 15:40 nmillsap11
Cho phương trình x²-8x+m=0.Tìm các giá trị của m để phương trình có 2 nghiệm x1 x2 thoã trong các công thức sau
A x1²+x2²=50
B x1=7x2
C 2x1+3x2=26
D x1-x2=2
Answers: 2
Mathematics, 21.06.2019 16:50
Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
Answers: 1
Mathematics, 21.06.2019 20:00
Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?
Answers: 1
Cho phương trình x²-8x+m=0.Tìm các giá trị của m để phương trình có 2 nghiệm x1 x2 thoã trong các cô...
Health, 23.08.2019 04:30
Mathematics, 23.08.2019 04:30
Social Studies, 23.08.2019 04:30
Mathematics, 23.08.2019 04:30
Social Studies, 23.08.2019 04:30
Health, 23.08.2019 04:30
Mathematics, 23.08.2019 04:30
History, 23.08.2019 04:30
Mathematics, 23.08.2019 04:30
Mathematics, 23.08.2019 04:30
Mathematics, 23.08.2019 04:30
Chemistry, 23.08.2019 04:30
Chemistry, 23.08.2019 04:30
History, 23.08.2019 04:30