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 “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 02:00
Atriangle has vertices of (0,3.5), (3,1.5), (0, -1.5). if it is dilated with center at the origin, and a scale factor of 2, what will be the coordinates of the image?
Answers: 3
Mathematics, 22.06.2019 02:20
The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?
Answers: 2
Write an equation that represents the line
...
...
SAT, 20.09.2020 08:01
Computers and Technology, 20.09.2020 08:01
English, 20.09.2020 08:01
History, 20.09.2020 08:01
Mathematics, 20.09.2020 08:01
Chemistry, 20.09.2020 08:01
History, 20.09.2020 08:01
English, 20.09.2020 08:01
English, 20.09.2020 08:01
Biology, 20.09.2020 08:01
English, 20.09.2020 08:01
Physics, 20.09.2020 08:01