Answer:
36 minutes
Step-by-step explanation:
time = distance / speed
time = (7.2×10² km)/((1.2×10³ km)/(60 min)) = (7.2×60/1.2)×10²⁻³ min
= 360×10⁻¹ min
= 36 min
It takes sound about 36 minutes to travel 720 km.
Answer:
7/9
Step-by-step explanation:
1 1/5 / 2 = 7/9 = 0.777
The probability that you will not choose a blue marble is 28/45.
Answer:
Amount of money earned; ... The higher the number of hours worked, the larger amount of money is earned. So, both the events goes in the same direction. So, there is direct relationship between two events
Step-by-step explanation:
Answer:
y² = x² - z²
Step-by-step explanation:
x² - y² = z²
Transpose y the other side
x² - z² = y²
or
y² = x² - z²
