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Ymorist [56]
2 years ago
15

Can some one help me

Mathematics
2 answers:
Goryan [66]2 years ago
5 0

Answer:

31.4yard long wire is needed.

perimeter of circle=2πr=2×22/7×5=31.4yard

zavuch27 [327]2 years ago
4 0

Answer:

B

Step-by-step explanation:

If 5 is the radius, then we need to multiply by 2 to get the diameter.

10 is the diameter.

Multiply by pi to get your answer

10pi is 31.4.

B-31.4.

Hope this helped!

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I have 8 pennies and some quarters, nickels, and dimes. The number of pennies plus nickels equals the number of dimes. I have 3
Darina [25.2K]

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Then, we have three equations with four unknowns:

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(3) 2<em>y</em> = 3<em>z</em>

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Assume that z = 6 (to avoid fractions).

From Equation (2), w = 4.

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x = 9 – 4 = 5

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<em>Check</em>: 4 pennies + 5 nickels = 9 dimes

6 quarters + 4 pennies = 3 quarters for every 2 pennies

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3 years ago
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Molodets [167]
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jok3333 [9.3K]
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