Answer: (b+5)(b-5)
Step-by-step explanation:
both b^2 and 25 are square numbers, so square root both of them to give b and 5, then put into brackets with a + and -
The cone itself is 25.13, with the half sphere added it’s 41.8 :)
Answer:
Step-by-step explanation:
number 9. is 78.97
number 10 is 17.01
I think this is the right one
A. (0.5 meter) *

b. (0.5 meter) *

= (0.5 meter) *

= 0.1352 meter
This assumes you mean "The top of the first path is the initial height of 0.5 meter" which would then use n=3 as the top of the third path.