If x^4-y^4=45 and x^2-y^2=5, then x^2+y^2=?
A. 9
B. 15
C. 20
D. 40
E....
Mathematics, 08.06.2021 22:50 shahidcade2721
If x^4-y^4=45 and x^2-y^2=5, then x^2+y^2=?
A. 9
B. 15
C. 20
D. 40
E. 50
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Which is the length of the hypotenuse of the triangle a. 94ft b. 214 ft c. 33ft d. 37 ft
Answers: 1
Mathematics, 21.06.2019 17:00
(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder
Answers: 1
Mathematics, 21.06.2019 21:00
Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5
Answers: 2
You know the right answer?
Questions
History, 12.01.2021 05:50
Social Studies, 12.01.2021 05:50
History, 12.01.2021 05:50
Mathematics, 12.01.2021 05:50
Mathematics, 12.01.2021 05:50
English, 12.01.2021 05:50
Mathematics, 12.01.2021 05:50
Biology, 12.01.2021 05:50
History, 12.01.2021 05:50
