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lakkis [162]
3 years ago
7

I will give u brainliest

Mathematics
2 answers:
dem82 [27]3 years ago
7 0

Answer:12.8

Step-by-step explanation:

Arisa [49]3 years ago
3 0

Answer:

12.8

Step-by-step explanation:

Trust me

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Calculate the speed of a wave with the frequency of 100 hz and wavelength of 250 m, please.
masya89 [10]

Answer:

25000m/s

Step-by-step explanation:

The following formula is used to calculate the speed or velocity of a wave.

V = f * w

Where V is the velocity (m/s)

f is the frequency (hz)

w is the wavelength (m)

First, determine the frequency.

Calculate the frequency of the wave.

Next, determine the wavelength.

Calculate the wavelength of the wave.

Finally, calculate the wave speed.

Using the formula above, calculate the wave speed.

7 0
3 years ago
Which of the following is the y-intercept of the line whose equation is 7y-42×+7=0?​
timama [110]

Answer:

7 is the y intercept

Step-by-step explanation:

5 0
3 years ago
The equation of the circle whose center is at (3, 7) and whose radius is 6 is a. (x + 3)² + (y + 7)² = 6 b. (x + 3)² + (y + 7)²
kicyunya [14]
\bf \textit{equation of a circle}\\\\ 
(x- h)^2+(y- k)^2= r^2
\qquad 
center~~(\stackrel{3}{ h},\stackrel{7}{ k})\qquad \qquad 
radius=\stackrel{6}{ r}
\\\\\\
(x-3)^2+(y-7)^2=6^2\implies (x-3)^2+(y-7)^2=36
8 0
3 years ago
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Paraphin [41]
X=23

2x+14=60
2x=46
x=23
5 0
3 years ago
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There are 31 guests at your home for a dinner party. In how many ways could the guests arrange themselves on a four person couch
Katena32 [7]

Answer:

7.75

Step-by-step explanation:

3 0
3 years ago
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