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emmasim [6.3K]
3 years ago
10

8x + 7 equals -9 solve for x

Mathematics
1 answer:
Montano1993 [528]3 years ago
8 0
The answer to this equation is
x= (1/4)
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Determine if the sequence is geometric. If it is, find the common ratio, the 8th term, and the explicit formula. -2, 6, -18, 54,
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Answer:

Step-by-step explanation:

In a geometric sequence, the consecutive terms differ by a common ratio,r. Considering the given sequence,

r = 6/- 2 = - 18/6 = - 3

Therefore, the sequence is geometric.

The formula for determining the nth term of a geometric progression is expressed as

Tn = ar^(n - 1)

Where

a represents the first term of the sequence.

r represents the common ratio.

n represents the number of terms.

From the information given,

a = - 2

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The explicit formula is

Tn = - 2 × (- 3)^(n - 1)

To find the 8th term, T8,

T8 = - 2 × (- 3)^(8 - 1)

T8 = - 2 × (- 3)^7

T8 = - 2 × - 2187

T8 = 4374

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6 0
2 years ago
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9/18 + 1/3 <br> Show all work
balu736 [363]

Answer:

5/6

5/6 Is the simplified answer the unsimplified answer is 15/18

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Simplify the expression<br><br> (x^2 + 2x + 3)(x^2 – 2x – 2)
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Maybe its (4x+3) (-2)
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Aflati 2 numere stiind ca sunt direct proporționale cu 5 și 3 și suma lor este 100
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Step-by-step explanation:

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