If [][]=[] . solve the following simultaneous equations

-2x + 6y = 5 and x – 3y = -7 by

(i) Matrix Inversion method

-2x + 6y = 5 and x – 3y = -7 by  42-2342=4

Step-by-step explanation:

3y = -7 by 4124x4124=4

blue marble is 15 times out of 50 = 15/50 reduces to 3/10

landing on tails is 24 out of 50 = 24/50 reduces to 12/25

to find the probability of both multiply together:

3/10 x 12/25 = 3 x 12 / 10 x 25 = 36/250

if you multiplied the numerator and denominator by 10 you get 360/2500.

the answer is 360/2500