(−1311,111)
(1311,111)
(1311,−111)
(1113,111)
(13, 11)
Correct answer is B
3x + 5y = 4, 4x + 3y = 5
3x + 5y = 4 x 4
4x + 3y = 5 x 3
12x + 20y = 16.....(i)
12x + 9y = 15.......(ii)
subtract eqn.(ii) from eqn.(i)
11y = 1
y = 111
12x + 20 x 111 = 16
12x = 15611
x = 1311
= 1311,111
At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50? ...
A woman buys 270 oranges for N1800.00 and sells at 5 for N40.00. What is her profit? ...
Given that S = 3t2 + 5t - 10 is displacement of a particle in metres, calculate it initi...
Find the distance between the points C(2, 2) and D(5, 6)....
The interior angles of a polygon are 3xo, 2xo, 4xo, 3xo and 6xo. Find the s...
If log64x1/2 = 3, find the value of x ...
Find the area and perimeter of a square whose length of diagonals is 20√2 cm...