3 years ago

I’ll mark brainliest !! Plz help

Mathematics

2 answers:

swat323 years ago

8 0

Answer:

2≤z≤5 or 2<z<5

Step-by-step explanation:

B or D I'm not sure

saveliy_v [14]3 years ago

6 0

Answer:

3rd option

Step-by-step explanation:

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3 years ago

Find the volume of the cone whose base is shown and whose altitude is 8 meters.

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$\bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\implies V=\stackrel{base~area}{\pi r^2}\cdot \cfrac{1}{3}\stackrel{height}{h}\\\\
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\textit{base of this cone}\\\\
B=\stackrel{a~square}{5\cdot 5}+\stackrel{semi-circle}{\frac{\pi r^2}{2}}\implies B=25+\frac{\pi 3^2}{2}\\\\\\ B=\stackrel{square}{25}+\stackrel{semi-circle}{\frac{9\pi }{2}}
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