Find an equation of variation in which the following are true.y varies directly as x and inversely as z, and y = 18 when x = 2 and z = 2.
A. y = 
B. y = 21xz
C. y = 
D. y = 
Answer: C
Mathematics
You might also like to view...
Find the standard equation of the parabola that satisfies the given conditions. Vertex: (-3, 4); directrix: x = -5
A. (x + 3)2 = -8(x - 4) B. (y - 4)2 = 8(x + 3) C. (x - 4)2 = 8(y + 3) D. (y - 4)2 = -8(x + 3)
Mathematics
Given f (x, y) = 
find:
Mathematics
Add.10 + (-16) + (-19)
A. -25 B. 13 C. 45 D. 7
Mathematics
Multiply the polynomials.(4y2 + 5y + 5)(y2 + 4y - 1)
A. 4y4 + 21y3 + 16y2 + 15y - 5 B. 4y4 + 21y3 + 21y2 + 15y - 5 C. 4y4 + 16y3 + 21y2 + 15y - 5 D. 4y4 + 16y3 + 16y2 + 15y - 5
Mathematics