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LenKa [72]
3 years ago
12

I NEED HELP PLEASE!!!

Mathematics
1 answer:
miss Akunina [59]3 years ago
3 0

Answer:

B

Step-by-step explanation:

cosine function, cos(ax) gets it period reduced by a factor of a, period is 2*pi/(4)=pi/2

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Region A has a total of 81,218,576 acres. Estimate the number of acres owned by the government in Region A. Choose the correct e
babunello [35]

Answer:

See Explanation

Step-by-step explanation:

Given

Region\ A = 81218576

Required

The acres owned by the government

The question is incomplete as the proportion (p) owned by the government is not given.

However, the formula to use is as follows:

Govt = p * Region\ A

Assume the proportion is 28%, the equation becomes

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Answer:

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Answer:

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Step-by-step explanation:

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Calculate the frequency of a wave with a speed of 130 m/s and a wavelength of 2.5
denis23 [38]

Answer:

  52 Hz

Step-by-step explanation:

We can divide the speed by the wavelength to find the number of waves propagated in one second:

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The SI unit of frequency is the Hertz, equal to one cycle per second.

The frequency of this wave is 52 Hz.

_____

<em>Additional comment</em>

The use of the unit Hz to signify frequency was adopted in 1933, but did not replace the unit "cycles per second" (CPS) until a number of years later.

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Answer:

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