Find all real solutions to the system of equations using the addition method.x2 - y2 = 7x2 + y2 = 23
A. (0, 0)
B. (
, 2
), (-
, 2
), (
, -2
), (-
, -2
)
C. (-
, -2
)
D. (
, 2
), (-
, 2
)
Answer: B
Mathematics
You might also like to view...
Determine the indicated arc or angle.Find ?ABC.
A. 37° B. 32° C. 58° D. 74°
Mathematics
Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 10xi + 10yj + 2k , S is the surface cut from the bottom of the paraboloid z = x2 + y2 by the plane 
direction is outward
A. 828? B. 792? C. 84? D. -1584?
Mathematics
Solve.16.0 = -15.4 - x
A. x = -0.6 B. x = -31.4 C. x = 31.4 D. x = 0.6
Mathematics
Find all the factors for the number.36
A. 1, 2, 4, 6, 12, 18, 36 B. 1, 2, 3, 4, 5, 6, 9, 10, 12, 18, 36 C. 2, 4, 6, 12, 18, 36 D. 1, 2, 3, 4, 6, 9, 12, 18, 36
Mathematics