The length of the sides of a square is given by the expression 4.8x + 2.4. which expression represents the perimeter of the square?

The expression that represents the perimeter of a square is the sum of all its sides  (length+length+width+width)

Because this is a square, all the sides are equal, so we can save ourselves the trouble of adding all the sides, and simply multiply the expression 4.8x +2.4 by 4.

Thus, the expression that represents the perimeter of this square is 4(4.8x +2.4)

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answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

5x+10 is the correct one

hope this