If x+y=15 and x-y=25, then what is the value of 2x^2 - y^2?
a) 425
b) 775
c) 825<...
![subject](/tpl/images/cats/mat.png)
Mathematics, 27.01.2020 17:31 anahicaballero6
If x+y=15 and x-y=25, then what is the value of 2x^2 - y^2?
a) 425
b) 775
c) 825
d) 1,575
e) 1,625
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00, Maya629277
Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:20, emilypzamora11
Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:40, dntestkly7509
Read the excerpt from gilgamesh: a new english version. gilgamesh backed away. he said,"how dreadful humbaba's face has become! it is changing into a thousand nightmarefaces, more horrible than i can bear. i feel haunted. i am too afraid to go on." §enkidu answered, "why, dear friend, do you speak like a coward? what you just saidis unworthy of you. it grieves my heartwe must not hesitate or retreat."
Answers: 1
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 23.04.2020 00:55
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 23.04.2020 00:55
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 23.04.2020 00:55
![Konu](/tpl/images/cats/es.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/fizika.png)
Physics, 23.04.2020 00:55
![Konu](/tpl/images/cats/en.png)
English, 23.04.2020 00:55