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DedPeter [7]
3 years ago
14

I need help this is the question.

Mathematics
1 answer:
tino4ka555 [31]3 years ago
4 0

Let <em>x</em> = 3.191919…. Then 100<em>x</em> = 319.191919…, and we have

100<em>x</em> - <em>x</em> = 319.191919… - 3.191919…

99<em>x</em> = 316

<em>x</em> = 316/99

Next, we have

316 = 297 + 19 = 3 × 99 + 19

so

316/99 = (3 × 99 + 19)/99 = 3 + 19/99

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attashe74 [19]

the answers is

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Here is the explanation -


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1 : 4

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astraxan [27]

Answer:

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Step-by-step explanation: Ez. First add all the data you already have. You should end up with 19. Then, you want to find the length of the missing side. Well, we know it's 7 meters since its opposite is 7, and these lengths are in the same square. So 19+7 is 26 meters.

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3 years ago
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I nee d help with this because my teacher didn't explain it well.
koban [17]

To solve 10x-35+3ax=5ax-7a, we'll need to assume that a is a constant and that we are to solve for the variable x.  To accomplish this, group all the x terms together on one side and all of the no-x terms on the other:

10x + 3ax - 5ax = -7a + 35

Factoring x out of the left side, we get:

x(10 - 2a) = 7(5 - a).  Dividing both sides by (10 - 2a), we get:

       7(5 - a)

x = ------------ = 7/2

      2(5 - a)

x has the value 7/2.

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3 years ago
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