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Scrat [10]
2 years ago
5

Can someone help me with this

Mathematics
1 answer:
Alexxandr [17]2 years ago
5 0

Answer:

B

Step-by-step explanation:

the perimeter (P) of a rectangle is calculated as

P = 2l + 2w ( l is the length and w the width ) , then

P = 2(3\sqrt{15} ) + 2(\sqrt{15} ) ← distribute both parenthesis )

   = 6\sqrt{15} + 2\sqrt{15}

   = 8\sqrt{15}

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check..
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20 = 20 (correct)

so c = -32
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