Answer:
The diameter is 5 cm and the circumference is diameter x pi
Step-by-step explanation:
Answer:
B is the correct answer
Step-by-step explanation:
250 cm2
Answer:
78.5 cm. cubed
Step-by-step explanation:
Answer:
The answer to your question is: x = -1
Step-by-step explanation:
Data
slope of l = x
slope of m = x +2
they are ⊥
Process
If they are ⊥, then, x + 2 = - 1/x
x(x + 2) = -1
x² + 2x = -1
x² + 2x + 1 = 0
(x + 1)² = 0
x + 1 = 0
x = -1