Answer:
They can bike 7.2 miles in 30 minutes.
Step-by-step explanation:
2.4 * 3 = 7.2
Answer:
-4/h
Step-by-step explanation:
Answer:
This statement is true for any N vectorial space.
By definition u·v=|u|·|v|·cos(α), where α is the angle between u and v.
If -1≤cos(α)≤1, we can assume:
|u·v|=||u|·|v|·cos(α)|=|u|·|v|·|cos(α)|≤|u|·|v|
(y x .12) x .3 = the total cost