Mathematics, 31.01.2021 03:30 lexi1268
X3 + bx2 + cx + d = 0 where b , c and d are real constants. The three roots of the cubic are denoted by α , β and γ . Given that α + β + γ = 4 and α2 + β2 + γ2 = 20 find the value of b
Answers: 1
Mathematics, 21.06.2019 13:00
In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?
Answers: 2
Mathematics, 21.06.2019 16:50
The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left
Answers: 1
Mathematics, 21.06.2019 19:30
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
Answers: 1
Mathematics, 21.06.2019 19:30
Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?
Answers: 1
X3 + bx2 + cx + d = 0 where b , c and d are real constants. The three roots of the cubic are denoted...
Mathematics, 01.07.2019 06:00
Computers and Technology, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Chemistry, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
English, 01.07.2019 06:00
Social Studies, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Social Studies, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
History, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00