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Georgia [21]
3 years ago
15

An arithmetic sequence is represented in the following table. Enter the missing term of the sequence.

Mathematics
1 answer:
Allisa [31]3 years ago
4 0

Answer:

329.5

Step-by-step explanation:

From the table we see that the common difference d = 0.5 - (-6.5)

= 7, and 7.5 - 0.5 = 7. Also 14.5 - 7.5 = 7.

The first term a1 = -6.5.

The nth term = a1 + (n - 1)d  so for our sequence we have:

49th term =  -6.5  + (49 - 1)7

= -6.5 + 48 * 7

= -6.5 + 336

= 329.5   (answer).

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<h3>Answer:</h3>

x² -6x = -13 ⇒ x ∈ {3-2i, 2+2i}

<h3>Step-by-step explanation:</h3>

To make a=1, divide the equation by the coefficient of x², which is 8.

... x² -6x = -13 . . . . . . your blanks are filled with -6 and -13

Now, to complete the square, add the square of half the x-coefficient:

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... (x -3)² = -4 . . . . . rewrite as a square

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4 years ago
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Answer:

  see below

Step-by-step explanation:

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