$\bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}~~
\begin{cases}
r=radius\\
h=height\\[-0.5em]
\hrulefill\\
r=4\\
h=5
\end{cases}\implies V=\cfrac{\pi (4)^2(5)}{3}\implies V=\cfrac{80\pi }{3}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
~\hfill \stackrel{using~\pi =3.14}{V= 83.7\overline{3}}~\hfill$

8 0

3 years ago

Error Analysis Your classmate tries to find an equation for a line parallel to y = 3x --

Arada [10]

Answer:

The classmate's only error is that the slope of the parallel line should be 3 aswell.

Step-by-step explanation:

Parallel lines always have the same slope to each other

7 0

3 years ago

Which expressions show a way to solve this problem? marsha had 54 beads. she kept 14 of the beads and shared the rest equally am

leonid [27]

54 - 14 = 40
40/5 = 8
Each friend recieved 8 beads

8 0

3 years ago

Using the net below, find the surface area

Veseljchak [2.6K]

Answer:

Step-by-step explanation:

A = 6² + 4(½(6)(6))

A = 108 in³

5 0

3 years ago