, or x=2.21327 and -0.81327
![\left[\begin{array}{ccc}?&9\\-5x^2&?\\\end{array}\right]](/tpl/images/0562/6581/4ad81.png)
and add up to 7x
, given a quadratic 
Solve.
-5x^2+9+7x = 0−5x
2
+9+7x=0...
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 16:00
Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?
Answers: 1
Mathematics, 21.06.2019 16:00
12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?
Answers: 2
Mathematics, 21.06.2019 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
Answers: 1
Mathematics, 21.06.2019 18:40
Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?
Answers: 1
You know the right answer?
Questions
Mathematics, 30.12.2019 22:31
Spanish, 30.12.2019 22:31
English, 30.12.2019 22:31
Social Studies, 30.12.2019 23:31
