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3 years ago

The average of the five subject test scores for the ACT is called the

SAT

2 answers:

Tresset [83]3 years ago

5 0

B. Composite Score- it’s the entire sum of your test.

dem82 [27]3 years ago

4 0

Answer:

The answer is B

Explanation:

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In air, a sound wave with a frequency of 196 hz has a wavelength of about 1.76 meters. what is the wavelength of a wave if the f

Aloiza [94]

The wavelength of the sound wave if the frequency is increased to the given value is 0.44m.

Given the data in the question;

Frequency of sound wave a; $f_a = 196Hz = 196s^{-1}$

Wavelength of sound wave a; $\lambda _a = 1.76m$

Speed of sound wave; $v =\ ?$

Frequency of sound wave b; $f_b = 784Hz = 784s^{-1}$

Wavelength of sound wave b; $\lambda _b = ?$

<h3>Wavelength</h3>

Wavelength is simply the distance over which the shapes of waves are repeated. It is the spatial period of a periodic wave.

It is expressed as;

$\lambda = \frac{v}{f}$

Where v is velocity and f is frequency.

First, we calculate the velocity of the sound wave in air from sound wave a.

$\lambda = \frac{v}{f}\\ \\1.76m= \frac{v}{196s^{-1}}\\\\v = 1.76m * 196s^{-1}\\\\v = 344.96m/s$

Now, we determine the wavelength of sound wave b using the velocity of sound wave in air calculated above.

$\lambda = \frac{v}{f}\\ \\\lambda = \frac{344.96m/s}{784s^{-1}}\\\\\lambda = 0.44m$

Therefore, the wavelength of the sound wave if the frequency is increased to the given value is 0.44m.

Learn more about wavelength: brainly.com/question/27120701

3 0

2 years ago

Which of the following is NOT true about running and walking? A. Both do not require special equipment. B. Both can be performed

Juliette [100K]

Answer:

The correct answer is D.) Both burn the same amount of calories.

Explanation:

This is FALSE. Running burns much more calories than walking.

Hope This Helps!

4 0

3 years ago

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If everyone in the population has an equal chance of inclusion in a study, then one would say that the study used a ___________

kakasveta [241]

If everyone in the population has an equal chance of inclusion in a study, then one would say that the study used a Random sampling technique for the study. (Option A.)

The way in which we select a sample of individuals to be research participants is critical. Random sampling makes sure of the population which has to be random and need not be pre determined . The procedure we plan to implement will determine if we are biased or not , if the people know each other or not etc.

To read more about Sample techniques here brainly.com/question/16813351

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1 year ago

If the price of oil increases by 50% but consumption decreases by 25%, then the demand for oil is elastic.

abruzzese [7]

False is the right answe choose it

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2 years ago

What is 12375/4 simplified

Goryan [66]

Answer:

The answer is 3093 3/4.

Explanation:

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3 years ago

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