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Vikentia [17]
3 years ago
6

2x + 5 - 6x + 21 = 2(3x - 5) - 4

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0

2x + 5 - 6x + 21 = 2(3x - 5) - 4

distribute

2x+5 -6x +21 = 6x-10 -4

combine like terms

-4x +26 = 6x -14

add 4x to each side

26 = 10x -14

add 14 to each side

40 = 10x

divide by 10

4 =x

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In an arithmetic sequence, the difference between consecutive terms is constant. In formulas, there exists a number r such that

a_{n+1}-a_n=r\quad \forall n\geq 1

In an geometric sequence, the ratio between consecutive terms is constant. In formulas, there exists a number r such that

\dfrac{a_{n+1}}{a_n}=r\quad \forall n\geq 1

So, there exists infinite sequences that are not arithmetic nor geometric. Simply choose a sequence where neither the difference nor the ratio between consecutive terms is constant.

For example, any sequence starting with

1, 15, -3,\ldots

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5 0
3 years ago
Use the number line to answer the question. Each tick represents 1 unit.
Yanka [14]

Answer and Step-by-step explanation:

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<em>2 more than J</em>

<em>3 less than L</em>

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<u>Now look at the answer choices and compare it to what we wrote.</u>

We see that the answer choices A, B, and D are incorrect (based on what we wrote), and that answer choice C is correct.

<u>[C. 7 less than N] is the correct answer.</u>

<u></u>

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<em><u>#teamtrees #PAW (Plant And Water)</u></em>

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Answer:

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Step-by-step explanation:

4 0
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Mashcka [7]
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3 years ago
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ruslelena [56]

Answer:

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Step-by-step explanation:

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