The Pet Kennel has 12 dogs and cats for the weekend. The number of dogs is three less than

twice the number of cats. Write a system of

equations to model this.

°{

oſ d+c= 12

Id=2e - 3

os d+c= 12

2c = d - 3

Osd+c= 12

1 c = 2d - 3

of d+c = 12

Id=3- 26

d + c = 12

d = 2c - 3

Step-by-step explanation:

Given that :

Total number of dogs and cats = 12

Let :

Dogs = d ; Cats = c

d + c = 12

Number of dogs = 2 times the number of cats less than 3 ;

Mathematically,

d = 2c - 3

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

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