Formula for the perimeter of a rectangle = 2(L + W).
let the width be x
length = 2 + 2x
substitute respectively
52 = 2(2 + 2x + x)
52 = 2 (2 + 3x)
52 = 4 + 6x
52 - 4 = 6x
48 = 6x
divide both sides by 6
48/6 = 6x/6
8 = x
width = 8
length = 2 + 2x = 2 + 2(8) = 2 + 16 = 18
Answer:
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Answer:
Step-by-step explanation:
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Answer:
1. B, because 3×6=18
2.D, because 3×9=27
3. E, because 3x=3×x=9, so x=9÷3=3
4. D, because 7x=21, so 21÷7=3