4 years ago

Can someone explain to me how to answer questions like this? I always get confused!

Mathematics

1 answer:

seropon [69]4 years ago

5 0

Answer:

(b) 5k+1

Step-by-step explanation:

https://www.symbolab.com/solver/step-by-step/simplify%20%5Cfrac%7B30k%5E%7B2%7D%2B6k%7D%7B5k%2Bk%7D

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Sonja [21]

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2 years ago

Read 2 more answers

The formula for the lateral surface area of a cylinder is S = 2trh , where r is the radius of the

r-ruslan [8.4K]

$\boxed{r=\frac{S}{2\pi h}}$

<h2>Explanation:</h2>

Remember you have two write complete questions in order to get good and exact answers. Here I'll assume you want to isolate the radius (r). So:

The formula for the lateral surface area of a cylinder is:

$S=2\pi rh \\ \\ \\ Where: \\ \\ S:Lateral \ surface \ area: \\ \\ r:Radius \\ \\ h:Height[tex][tex]Dividing \ both \ sides \ by \ 2\pi h: \\ \\ S=2\pi rh \\ \\ \frac{S}{2\pi h}=\frac{2\pi rh}{2\pi h} \\ \\ \\ Finally: \\ \\ \boxed{r=\frac{S}{2\pi h}}$