3t+9≥15 => 3t ≥ 6 => t ≥2 => t= [2,∞)
Hope that helps, have a nice day!! ^^
Answer: The sign is positive.
Step-by-step explanation:
a > 0 and b < 0
So, a·b < 0
⇒ -4·a·b > 0
⇒ -4·a·b - 4·a·b > 0
Hence, the sign will be positive
Speed=distance/time
8=distance/15
120km= distance
Answer:
Step-by-step explanation:what number is the distance and wut number is the ammount of money
Answer: some times true
Step-by-step explanation: