Charlie uses the expression 2x + 2x to represent the perimeter of a square. What does the variable x represent in this expressio
2 answers:
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Answer:
65
Step-by-step explanation:
So we have the expression:
And we want to evaluate it for m=25.
So, substitute 25 for m:
Subtract:
Multiply:
Add:
So, our answer is 65.
And we're done!