The volume of a cylinder is pi*r^2*h
We have a radius of 7/2=3.5 cm, and a height of 11.5 cm
So we plug in: pi*3.5^2*11.5=442.5718651
Rounded to the nearest tenth is 442.6 cm^3
Hope this helped!
2b-16>12 add the 16 2b>28 then divide by 2
b>14
13/2 = 6.5
2/13 = 015
6.5-0.15 = 6.35
Answer:
7 hours
Step-by-step explanation:
47+23=70
1hour = 70 toys
? = 490 toys
Then you cross multiply:
1hour*490 toys= 490/70 = 7 hours
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70 toys