Answer:
x<13
Step-by-step explanation:
You know when a squared number is ration when it is a perfect square like the square root of 25 is 5. The square root can't be a decimal.
Answer: The midpoint of AB should be (3,8)
Explanation: Try drawing the triangle using the information given and find the midpoint of AB then measure it
The pic is not drawn to scale but just to get an idea
Answer:
100 km/hr
Step-by-step explanation:
First Leg:
Speed = 60 km/h
Time = 30 min = 0.5 h
1st leg distance = speed x time = 60 km/hr x 0.5hr = 30 km
Second Leg:
Distance remaining = 80 km - 30 km = 50 km
Time = 30 min = 0.5 h
speed = distance / time = 50 / 0.5 = 100 km/hr