When you graph a system of linear equations why does the intersection of the tow lines represent the solution of the system?

Step-by-step explanation:

step 1. when you graph 2 lines they must intersect unless they are parallel (same slope)

step 2. if they intersect then they have one point in common

step 3. that point in common solves both equations

step 4. when a point solves both equations it is called the solution.

a box 3 3/4 feet long or 4+ feet.

step-by-step explanation:

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: