x +y = 20 ( rewrite as x = 20-y)
3x - 3y =30
3(20-y) - 3y = 30
60-3y - 3y = 30
60-6y = 30
-6y = -30
y = -30 / -6 = 5
x=20-5 = 15
x = 15, y = 5
Answer:
neither perpendicular or parallel
Step-by-step explanation:
Answer:
9 pack
Step-by-step explanation:
11.49/4=$2.87 per ball
16.70/6=$2.78 per ball
22.99/9=$2.55 per ball
The area of a square or a rectangle (which is the shape of any room in a house) is:
Area = width x length
So, in this case:
Area = 51 m x 26 m = 1326 Sq meters. Which is pretty big if you ask me.
Anyhow, Ms Melcher needs to buy 1326 sq meters
Answer:
y=5/2x+6
Step-by-step explanation:
