Add 4.9 to each side so 4r>19.85 and divide both side by 4. So r> 4.96 so say any point over 5 and you are correct
Answer: 2
Step-by-step explanation:
Can or bottle? A can will be the calculation for the surface area of a cylinder which is A=

if r is the radius of the circle on the top and bottom of the can and h is the height of the can. A can is basically two circles and a big rectangle. For a bottle I don't know there are too many components and no numbers to solve for that
Answer: twenty-four fifths
Step-by-step explanation:
3/5 x 8 → 3/5 x 8/1 (8/1 is the same as 8) → 3 x 8 = 24 and 5 x 1 = 5 so 3/5 x 8 is 24/5
Answer:
115 cm^2
Step-by-step explanation: