Answer:
8 x + 3 = 75
9 x - 6 = 75
5 x + 5 = 50
Step-by-step explanation:
8 x + 3
8 (9) + 3
72 + 3
75
---------------------------
9 x - 6
9 (9) - 6
81 - 6
75
---------------------------
5 x + 5
5 (9) + 5
45 + 5
50
Answer:
Parallel lines
Step-by-step explanation:
x - y = 1 y - x = 1
- y = -x + 1 y = x + 1 ⇒ m₂ = 1, b₂ = 1
÷(-1) ÷(-1)
y = x - 1 ⇒ m₁ = 1, b₁ = -1
m₁ = m₂ and b₁ ≠ b₂ means that the lines described by these equations are parallel
Answer:
12.56
Step-by-step explanation:
use the circumference of a circle formula, C=2πr, to find the circumference
so C=2π(2)=12.56 the last one
Answer:
1/8
Step-by-step explanation:
1/4 of a painting in 2 weeks would be 1/8 painting for 1 week