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3 years ago

10

(PLEASE ANSWER!!!) Mrs. Johnson arranged the desks in her classroom into n groups of 3 desks and 1 desk left over. Drag numbers

and symbols to creat an expression for the total number of desks in a class room.

1 answer:

nikitadnepr [17]3 years ago

6 0

Answer:

The answer is 10 with 1 left over which is 31 / 3

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or:

$\\~\qquad\quad S\ =\ 2PIR^2+2PIRH\\\\~\qquad\quad S\ =\ 2PIR(R+H)\\\underline{:(2PIR)\qquad :(2PIR)}\\\\\\~\ \ \dfrac{S}{2PIR}\ =\ R+H\\\\\\ \dfrac{S}{2PIR}-R=H\\\\\\ H=\dfrac{S}{2PIR}-R$

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