Step-by-step explanation:
brainliest plzz its confirm
The given formula 
Solve for y means we have to make y alone
\\
Add -10 on both sides, we get

As there is multiplication sign between r and y so to solve for y, divide both side by r

Answer:
-22
Step-by-step explanation:
5000 is 1/10 of 50000 because 50000 divided by 10 is 5000
Answer:
If the shape of end face has n sides
Then, in total, there are n+2 faces
Using that formula
Faces in 20-sided polygon = n+2 = 20+2 = 22
Step-by-step explanation:
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