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Leni [432]
3 years ago
10

Euclid Park is shaped like a square, with side length s, and has an area of 121 square kilometers. This equation shows the area

of the park. = 121 What is the perimeter of the park?
A) 11
B) 22
C) 44
D) 121
Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0
The answer is 11 because 121/4 (4=sides) =11
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Answer:

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Step-by-step explanation:

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x2  

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A sound wave travels at 330m/s and has a wavelength of 2 m. calculate its frequency and period.
RoseWind [281]

Answer:

frequency= 165Hz

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Step-by-step explanation:

1. To calculate the frequency using the formula:

f = v/λ

where,

f=frequency (what the question asked)

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λ=wavelength (given in the question=2m)

SO,

f=\frac{330}{2}

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2. To calculate the period use the formula:

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where,

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T= period (what the question asked)

SO,

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