Mathematics, 12.01.2020 12:31 bridgetosanders
If $x$ and $y$ are positive real numbers for which $(x + y)^2 + (x - y)^2 = 10$ and $(x + y)^4 + (x - y)^4 = 98$, what is the value of $xy$? express your answer in simplest radical form.
Answers: 2
Mathematics, 21.06.2019 18:50
The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year
Answers: 3
Mathematics, 21.06.2019 20:30
There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?
Answers: 3
Mathematics, 21.06.2019 22:20
The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22
Answers: 1
If $x$ and $y$ are positive real numbers for which $(x + y)^2 + (x - y)^2 = 10$ and $(x + y)^4 + (x...
Mathematics, 29.12.2019 04:31
Social Studies, 29.12.2019 04:31
Mathematics, 29.12.2019 04:31
Mathematics, 29.12.2019 04:31
Biology, 29.12.2019 04:31
Spanish, 29.12.2019 04:31
Mathematics, 29.12.2019 04:31
Mathematics, 29.12.2019 04:31
Mathematics, 29.12.2019 04:31