subject
Mathematics, 17.11.2020 18:30 ooof3

Which of the following are quadratic equations? x2 + 3x = -9

9x2 = y2

7.x2 – 9=2? + – 12

(3x – 5) (3x + 5) = 0

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:20
What is the range of the data below? .8090100
Answers: 1
question
Mathematics, 21.06.2019 15:50
Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares
Answers: 1
question
Mathematics, 21.06.2019 18:30
The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.
Answers: 1
question
Mathematics, 21.06.2019 21:30
An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?
Answers: 1
You know the right answer?
Which of the following are quadratic equations? x2 + 3x = -9

9x2 = y2

7.x2...
Questions
question
Mathematics, 13.03.2021 01:00
question
Mathematics, 13.03.2021 01:00
question
Mathematics, 13.03.2021 01:00
Questions on the website: 13722363