Multiply 4/5 × 3/20. in simplest form

Mathematics

2 answers:

tia_tia [17]2 years ago

6 0

4/5 * 3/20
= 4*3/5*20
=12/100
=3/25

egoroff_w [7]2 years ago

3 0

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▹ Answer

3/25

▹ Step-by-Step Explanation

$\frac{4}{5} * \frac{3}{20} \\\\= \frac{12}{100} \\\\\frac{12}{100} divide each side by 4\\\\\frac{12}{100} \\\\= \frac{3}{25}$

Hope this helps!

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Check the picture below.

since the diameter of the cone is 6", then its radius is half that or 3", so getting the volume of only the cone, not the top.

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$\bf \stackrel{\textit{cone's volume}}{\cfrac{\pi (3)^2(8)}{3}}~~~~+~~~~\stackrel{\stackrel{\textit{half a sphere}}{\textit{top's volume}}}{\cfrac{4\pi 3^3}{3}\div 2}\implies 24\pi +18\pi \implies 42\pi ~~\approx~~131.95~in^$