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Svetlanka [38]
3 years ago
7

What is the equation for the nth term of the arithmetic sequence. 28, 25, 22, 19, ....

Mathematics
1 answer:
natka813 [3]3 years ago
4 0

Answer:

31-3n

Step-by-step explanation:

d=-3

a1=28

an= 28+(n-1)(-3)=28-3n+3

an=31-3n

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Step-by-step explanation:

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3 years ago
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rectangle will have length 3n+ 6 and height 2n−1 inches, while the square will have side length n+ 2inches. Find the perimeter a
kifflom [539]

Answer:

Perimeter: 2(3x+6)+ 2(2x-4)

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Step-by-step explanation:

In order to create the expression you just have to remember that the perimeter of a rectangle equals 2 bases plus 2 sides, so the expression would be:

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6 0
2 years ago
Can you help me by showing work on some of them please I’m having trouble
Xelga [282]
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6 0
3 years ago
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Answer:

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Step-by-step explanation:

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