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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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What is the result of adding these two equations?
andre [41]

Answer:

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Step-by-step explanation:

5x -9y=1-----------(i)

-7x+2y=-5-----------(ii)

Multiplying eq 1 with 7 gives

35x-63y=7---------eq(iii)

Multiplying eq 2 with 5 gives

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adding eq 3 qnd eq 4

35x-63y-35x+10y=7-25

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y=18/53--------eq5

Putting the value of y from eq 5 in eq 1

5x-9(18/53)=-5

5x- 162/53=-5

5x=-5 +162/53

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3 years ago
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Step-by-step explanation:

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. The first day of a water polo tournament the total value of tickets sold was $17,610. One-day passes sold for $20 and tourname
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Step-by-step explanation:

5 0
2 years ago
50 + 2x = 100<br> What is x?
max2010maxim [7]

Answer:

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Step-by-step explanation:

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Read 2 more answers
Simplify X^2+6-27/x-3
Gemiola [76]

Answer:

(x + 9)

Step-by-step explanation:

<u />

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3 Answer left is (x + 9)

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