If x+y=15 and x-y=25, then what is the value of 2x^2 - y^2?
a) 425
b) 775
c) 825<...
![Mathematics](/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
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:50, khenalilovespandas
Type the correct answer in each box. spell all words correctly. a sequence of transformations maps ∆abc onto ∆a″b″c″. the type of transformation that maps ∆abc onto ∆a′b′c′ is a . when ∆a′b′c′ is reflected across the line x = -2 to form ∆a″b″c″, vertex of ∆a″b″c″ will have the same coordinates as b′.
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00, anabelleacunamu
Find the value of x. round the length to the nearest tenth
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50, victoria6929
The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:50, karmaxnagisa20
3x = 729 solve for x plz . it's urgent. will mark
Answers: 2
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 12.12.2020 16:40
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 12.12.2020 16:40
![Konu](/tpl/images/cats/informatica.png)
Computers and Technology, 12.12.2020 16:40
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/fizika.png)