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dsp73
2 years ago
14

What is the height of a cone if the volume is 1/18 and the radios is 2/3

Mathematics
1 answer:
nika2105 [10]2 years ago
8 0
Volume of cone = 1/3 × pi × radius squared × height

1 / 18 = 1 / 3 × 3.142 × 2/3 squared × height
1/18 = 1/3 × 3.142 × 4/9 × height
height = 1/18 ÷ 0.4655
height = 0.119

HOPE IT HELPED !!
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So, we know the sum of the first 17 terms is -170, thus S₁₇ = -170, and we also know the first term is 2, well

\bf \textit{ sum of a finite arithmetic sequence}\\\\
S_n=\cfrac{n(a_1+a_n)}{2}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
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\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
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\end{cases}
\\\\\\
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\\\\\\
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8 0
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