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Aleks04 [339]
3 years ago
11

I can not find the answer to this problem 4x+8=7.2+5x

Mathematics
2 answers:
Ivanshal [37]3 years ago
5 0
4x+8=7.2+5x

Subtract 4x from both sides:
8=7.2+x

Subtract 7.2 from both sides:
0.8=x

x=0.8
NemiM [27]3 years ago
4 0
4x+8=7.2+5x
subtract 7.2 from 8 and you get .8
subtract 5x-4x and you get 1x
therefore your answer is...
.8=x



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Step-by-step explanation:

(4). $ g_n  = 2 . 3^{n - 1} $

To find the first term, substitute n = 1.

Therefore, $ g_1 = 2 . 3^{1 - 1} = 2 . 3^{0} = 2 . 1  $ = 2

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$ g_3 =  2 . 3^{3 - 1} = 2 . 3^{2} = 2 . 9 $ = 18

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Therefore the first five terms in the sequence are: 6, 4, 8/3, 16/9, 32/27.

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