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Dima020 [189]
3 years ago
15

A 340 m wire is cut into three pieces. The second piece is 4 times as long as the first. The third piece is 3 times as long as t

he second. How long is each piece
Mathematics
1 answer:
USPshnik [31]3 years ago
3 0

Answer: total length 5780

Step-by-step explanation:

1st wire. 340m

2nd wire. 1360m

3rd wire. 4080

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−
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Algebra
1 Answer


IDKwhatName
Jun 30, 2017
x
=
−
2
,
y
=
−
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Explanation:
Right now, you have:
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x
−
y
=
−
4

5
x
+
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y
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To make this easier, you must get rid of one variable, in this case I will remove
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by 2 to give
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We now have:
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18
All we need to do now is
(
8
x
−
2
y
+
5
x
+
2
y
)
=
(
−
18
−
8
)
≡
13
x
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Divide both sides by 13 to find
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13
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13
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26
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(
−
2
)
−
y
=
−
4

−
8
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y
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4

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4

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4
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Answer link
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