help me with this question
...
Answers: 2
Mathematics, 21.06.2019 17:00
Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?
Answers: 1
Mathematics, 22.06.2019 00:00
Which of the following is the maximum value of the equation y=-x^2+2x+5 a. 5 b. 6 c. 2. d. 1
Answers: 1
Mathematics, 22.06.2019 00:00
50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13
Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mathematics, 31.01.2020 13:00
Mathematics, 31.01.2020 13:00
Mathematics, 31.01.2020 13:00
English, 31.01.2020 13:00
Mathematics, 31.01.2020 13:00
Social Studies, 31.01.2020 13:00
Mathematics, 31.01.2020 13:00
History, 31.01.2020 13:00
Mathematics, 31.01.2020 13:00
English, 31.01.2020 13:00
Biology, 31.01.2020 13:00