Answer:
A) X + Y = 12
B) 10Y + x = 10x + Y -18
B) 9Y = 9x -18 multiplying A) by -9
A) -9Y = 9x - 72 adding A and B we get
0 = 18x -90
x = 5
The number is 75
Double-Check
7 + 5 = 12
75 -57 = 18
Step-by-step explanation:
Answer:
y =
x - 3
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m = 
with (x₁, y₁ ) = (- 22, - 14) and (x₂, y₂ ) = (- 18, - 12)
m =
=
=
, thus
y =
x + c ← is the partial equation
To find c substitute either of the 2 points into the partial equation
Using (- 18, - 12) , then
- 12 = - 9 + c ⇒ c = - 12 + 9 = - 3
y =
x - 3 ← equation of line
Answer:
A = 72 B = 50% C = 40%
Step-by-step explanation:
Each space on the bottom is worth 10%.
Each space on the bottom is worth 36.
1/6 + 1/12 = 1/4
If you need me to explain how I got the answer I am more than happy!
I hope this helps!