If the diameter of the cone is 5, then the radius of it will be half that, or 2.5, thus

$\bf \textit{total surface area of a cone}\\\\
SA=\pi r\stackrel{slant~height}{\sqrt{r^2+h^2}}+\pi r^2~~
\begin{cases}
r=radius\\
h=height\\
------\\
SA=43.75\pi \\
r=2.5
\end{cases}
\\\\\\
43.75\pi =\pi (2.5)\sqrt{r^2+h^2}+\pi (2.5)^2
\\\\\\
43.75\pi -\pi (2.5)^2=2.5\pi \sqrt{r^2+h^2}
\\\\\\
43.75\pi -6.25\pi =2.5\pi \sqrt{r^2+h^2}\implies 37.5\pi =2.5\pi \sqrt{r^2+h^2}
\\\\\\
\cfrac{37.5\pi }{2.5\pi }=\sqrt{r^2+h^2}\implies 15=\sqrt{r^2+h^2}$

3 0

3 years ago

Not sure! help! please

sergejj [24]

$\dfrac{ \frac{x}{4} + \frac{1}{8} }{ \frac{x^2}{4} } =

\vspace{3mm}

= \dfrac{ \frac{2x}{8} + \frac{1}{8} }{\frac{x^2}{4}} 

\vspace{3mm}

= \dfrac{ \frac{2x+1}{8} }{\frac{x^2}{4}} 

\vspace{3mm}

= \dfrac{2x + 1}{8} \times \dfrac{4}{x^2}

\vspace{3mm}

= \dfrac{2x + 1}{2x^2}$

7 0

2 years ago

Please help!! Only correct answers please! (Easy?)

77julia77 [94]

Answer:

sorry no can't do i have cancer

Step-by-step explanation:

6 0

2 years ago

In a study of 82 Halo game players, it was found that the ages of these players were normally distributed, with a mean age of 17

ludmilkaskok [199]

Answer:

Step-by-step explanation:

and bro i am i have a brother that always on my account makes me that im cheating that im not and he always blames me so thats why my bro has too many gfs and always blames me

4 0

2 years ago