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Vladimir79 [104]
2 years ago
11

What is the speed of a wave if its frequency is 2 Hz and its wavelength is 75m?

Mathematics
1 answer:
In-s [12.5K]2 years ago
8 0

Answer:

The answer is 150 m/s.

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What is the value of 1^2−2x−3y5for x = 2 and y = –4?
NikAS [45]
The answer is 9
One square is equal to one. for the rest just substitute the x and y for the given values
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2 years ago
So far this semester, Warren is averaging a score of 72 points on math tests, which is 20% lower than his average last semester.
ankoles [38]

Answer:

86.4

Step-by-step explanation:

72x.20= 14.4

72+14.4=86.4

I'm pretty sure this is right

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Is the number 8 odd or even?
Veseljchak [2.6K]
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The number 8 is an even number, since it can be divided evenly by the number of 2.


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6 0
3 years ago
The average daily temperature, t, in degrees fahrenheit for a city as a function of the month of the year, m, can be modeled by
Vikentia [17]

The answer will be t = sin((m.\frac{\pi}{6})+55) average daily temperature, t, in degrees Fahrenheit for a city as a function of the month of the year.

<h3>What is temperature?</h3>

Temperature is the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.

<h3>TO SOLVE:</h3>

35cos(\frac{\pi}{6(m+3)}+55)\\\\35 cos(\frac{\pi m}{6} + 55 + \frac{\pi}{2})\\

suppose x = m.\frac{\pi}{6}+55 and \frac{\pi}{2} = 90 degree

We know, cos(x+90°) = - sin(X)

⇒ cos((m.\frac{\pi}{6})+55+90degree)degree = -sin((m.\frac{\pi}{6})+55)

⇒ t = sin((m.\frac{\pi}{6})+55)

Hence the answer will be t = sin((m.\frac{\pi}{6})+55) average daily temperature, t, in degrees Fahrenheit for a city as a function of the month of the year.

To learn more visit:

brainly.com/question/27441712

#SPJ4

3 0
2 years ago
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