Answer:
55
Step-by-step explanation:
The solution to the problem is as follows:
<span>⇒d2−9d−5d+45</span>
<span>
⇒d(d−9)−5(d−9)</span>
<span>
⇒(d−5)(d−9)
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Answer:
The volume of the pill is ![V=452\ mm^{3}](https://tex.z-dn.net/?f=V%3D452%5C%20mm%5E%7B3%7D)
Step-by-step explanation:
Find the volume of the pill in cubic millimeters
we know that
The volume of the pill is equal to the volume of the cylinder plus the volume of a sphere (two hemisphere is equal to one sphere)
so
we have
![V=\frac{4}{3}\pi r^{3}+\pi r^{2}h](https://tex.z-dn.net/?f=V%3D%5Cfrac%7B4%7D%7B3%7D%5Cpi%20r%5E%7B3%7D%2B%5Cpi%20r%5E%7B2%7Dh)
![r= (18-12)/2=3\ mm\\ h=12\ mm](https://tex.z-dn.net/?f=r%3D%20%2818-12%29%2F2%3D3%5C%20mm%5C%5C%20h%3D12%5C%20mm)
assume
![\pi =3.14](https://tex.z-dn.net/?f=%5Cpi%20%3D3.14)
substitute
![V=\frac{4}{3}(3.14)(3)^{3}+(3.14)(3)^{2}(12)\\V=452\ mm^{3}](https://tex.z-dn.net/?f=V%3D%5Cfrac%7B4%7D%7B3%7D%283.14%29%283%29%5E%7B3%7D%2B%283.14%29%283%29%5E%7B2%7D%2812%29%5C%5CV%3D452%5C%20mm%5E%7B3%7D)
Answer:
5 pints of oil for 8 dollars
Step-by-step explanation:
1.65 dollars for 1 pint
3.4/2=1.7 dollars for 1 pint
8/5=1.6 dollars for 1 pint
17.6/10=1.76 dollars for 1 pint
33/20=1.65 dollars for 1 pint