Which equation has the solutions x=1+or-square root of 5?
a)x2 + 2x + 4 = 0
b)x2 – 2x +...
Mathematics, 02.10.2019 03:30 hardwick744
Which equation has the solutions x=1+or-square root of 5?
a)x2 + 2x + 4 = 0
b)x2 – 2x + 4 = 0
c)x2 + 2x – 4 = 0
d)x2 – 2x – 4 = 0
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 17:30
Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x
Answers: 3
Mathematics, 21.06.2019 21:00
*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?
Answers: 1
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 “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Mathematics, 22.06.2019 00:00
Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o
Answers: 1
You know the right answer?
Questions
Health, 24.11.2020 20:40
Chemistry, 24.11.2020 20:40
SAT, 24.11.2020 20:40
Mathematics, 24.11.2020 20:40
SAT, 24.11.2020 20:40
Mathematics, 24.11.2020 20:40
Mathematics, 24.11.2020 20:40
SAT, 24.11.2020 20:40
Mathematics, 24.11.2020 20:40
