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11Alexandr11 [23.1K]
2 years ago
13

PLEASE HELP ME! Thanks!

Mathematics
1 answer:
stepladder [879]2 years ago
3 0

Answer:

I guess 21 is your answers.

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Step-by-step explanation:

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2 years ago
A 51 foot piece of wire is cut into 3 sections so that the first section is three times as long as the second section and the se
kirill [66]

Answer:

The length of the longest section x = 36 ft

Step-by-step explanation:

Total length of the wire = 51 ft

Let first section of wire = x

Second section of wire = y

Third section of wire = z

According to given data

x = 3 y & y = 4 z

Total length of the wire = x + y + z = 51

y + 3 y + \frac{y}{4} = 51

\frac{17}{4} y = 51

y = 12

x = 3 × 12 = 36

z = \frac{y}{4} = \frac{12}{4} = 3

Therefore the length of the longest section x = 36 ft

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3 years ago
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What is the surface area of a cube with side lengths of 3 centimeters
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Step-by-step explanation:

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