Solve the following equation using matrix method: x+3y=13 x+y=7​

13xy

Step-by-step explanation:

13+3y=x

=13y=x

=13xy

incomplete question. how do you expect anyone to you when you do not post the question in its entirety?

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.