10 units and 9 9 units squared
Answer:
B. Line A intersects line B at the point (-2,2)
Step-by-step explanation:
y = mx + b
m₁ = 2
-2 = 2 x (-4) + b₁
b₁ = 6
y₁ = 2x₁ + 6 : line₁
point (-2 , 2) : 2 x (-2) + 6 = 2
(-2 , 2) is on line₁
m₂ = (-4 -4 ) / (10 - (-6)) = -8 / 16 = - 1/2
line₂ : (-6 , 4) (10 , -4)
4 = - 1/2 x (-6) + b₂
b₂ = 1
y₂ = -1/2 x + 1 : line₂
point (-2 , 2) -1/2 x (-2) + 1 = 2
prove (-2 , 2) is on line₂ too.
Answer:
x = √(10) - 2, -√(10) - 2
Step-by-step explanation:
x² + 4x + 4 = 10
factor:
(x + 2)² = 10
take square root of both sides:
x + 2 = ±√(10)
split into 2 equations:
x + 2 = √(10) x + 2 = -√(10)
solve both equations and collect solutions:
x = √(10) - 2, -√(10) - 2
Answer:
5
Step-by-step explanation:
I subtracted
Answer:
85
Step-by-step explanation:
x/5 = 67
x=335
(x+y)/6 = 70
(335+y)/6 = 70
335+y=420
y=85