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polet [3.4K]
3 years ago
13

Helps me solve the problem please

Mathematics
1 answer:
Rashid [163]3 years ago
8 0

Answer

8x-10

Step-by-step explanation:

Length=x+2

Breadth= 3x-7

Perimeter= 2(length+breadth)

Perimeter of the given rectangle= 2(x+2+3x-7)

=2(4x-5)

=8x-10

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You start off with the first term being a1 = 3

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This pattern continues on forever. To ensure you add on either +3 or -3 to the previous term, we add on the general term 3*(-1)^n

Overall, the nth term is found by a(n) = a(n-1) + 3*(-1)^n, which is what choice C shows. I'm assuming your teacher meant to write 3(-1)^n instead of 3(-1)n
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3 years ago
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sukhopar [10]
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7 0
3 years ago
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