Answer:
Step-by-step explanation:
Distance=Speed×Time
75×4.8=360
Speed=distance÷time
360÷3=120km/h
Answer:
x^2 + x-72=0
Step-by-step explanation:
x(x+1) =72
Distribute
x^2 +x = 72
Subtract 72 from each side
x^2 +x - 72 = 0
Now this is the equation we can factor
Factor out 3x
Answer: 3x(x - 5)
Answer:
The length is 13 inches.
Step-by-step explanation:
Answer:
Step-by-step explanation:
4^-3
=1/4^3
=1/64
