6.5 liters per 100 km travelled. 30% of 5 is 1.5, so adding this to the original amount results in 6.5
Answer:
x = 19.6
Step-by-step explanation:
By applying cosine rule in ΔBCD,
cos(30)° = 
= 

BC = 
Now, by applying sine rule in ΔBAC,
sin(45)° = 


x = 
x = 19.59
x ≈ 19.6
Answer:
B, C, D
Step-by-step explanation:
1, 2, 3 are all greater than 0
Answer:
63pi
Step-by-step explanation:
the formula for the volume of a cylinder is pi r^2 h
r=radius
h=height
3=r
7=h
pi((3)^2)7
63pi units^3
Hope that helps :)