Answer:
The width of the andre is 5×5×5=15
Then surface area will be length ×width=15×10=50
Answer:
a) 9.62m (3 s.f.)
b) 2.58m (3 s.f.)
Step-by-step explanation:
Please see attached picture for full solution.
Answer:
10 or 40
Step-by-step explanation:
We have the following equation
-4d²+200d-100= 1500
We want all the non zero on one side and so we subtract 1500
-4d²+200d-1600=0
Solve for d
4( -d²+50d-400)=0
factor (I can explain this part in depth if needed)
4(d-40)(d-10)=0
d=40
d=10
This means that the price either needs to be 40 or 10 dollars
Answer:
3.98
Step-by-step explanation:
Because the formula of height of cylinder is : h=V/πr2