Solve using the quadratic formula x2 - 6x - 40=0
Question options:
x = 10 or...
Mathematics, 17.03.2020 19:44 ionutvasiliev4237
Solve using the quadratic formula x2 - 6x - 40=0
Question options:
x = 10 or x = -4
x = 4 or x = -10
x = -7 or x = 7
x = -4 - β7 or x = -4 + β7
Answers: 3
Mathematics, 21.06.2019 21:00
Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?
Answers: 2
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least βc.β using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least βcβ?
Answers: 1
Mathematics, 21.06.2019 22:30
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 1
History, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
History, 22.11.2020 09:40
History, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
English, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
Mathematics, 22.11.2020 09:40
Chemistry, 22.11.2020 09:40