[(30)/(n)+(44)/(y)=10],[(40)/(n)+(55)/(y)=13]

Solve the following simultaneous equations: 30/(x-y)+44/(x+4)=10 ,40/(x-y) +55/(x+y)=13

Solve the following simultaneous equation: 30/(x-y)+44/(x+y)=10, 40/(x-y)+55/(x+y)=13 .

Solve each of the following pairs of equations by reducing them to a pair of linear equations. 30/(x-y)+44/(x+y)=10 40/(x-y)+55/(x+y) = 13

(44)/(x+y)+(30)/(x-y)=10(55)/(x+y)+(40)/(x-y)=13

(44)/(x+y)+(30)/(x-y)=10 (55)/(x+y)+(40)/(x-y)=13

s solve the following pairs of equation for x andy (15)/(x-y)+(22)/(x+y)=5 and (40)/(x-y)+(55)/(x+y)=13

If |(x^(n),x^(n+2),x^(n+3)),(y^(n),y^(n+2),y^(n+3)),(z^(n),z^(n+2),z^(n+3))| = (x -y) (y -z) (z -x) ((1)/(x) + (1)/(y) + (1)/(z)) , then n equals

Find Cov (x,y) for the following pair of observations, given bar(x) = 30, bar(y) = 40 , (15,44), (20,43), (25, 45), (30, 37), (40,34), (50,37)

Given system of simultaneous equations 2^x\ . 5^y=1\ a n d\ 5^(x+1). 2^y=2. Then - (a) . x=(log)_(10)5\ a n d\ y=(log)_(10)2 (b) . x=(log)_(10)2\ a n d\ y=(log)_(10)5 (c) . x=(log)_(10)(1/5)\ a n d\ y=(log)_(10)2 (d) . x=(log)_(10)5\ a n d\ y=(log)_(10)(1/2)