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Lorico [155]
3 years ago
6

View Lab

Mathematics
2 answers:
Mademuasel [1]3 years ago
7 0
I believe it is C .
alexandr402 [8]3 years ago
6 0

Answer:

the answer is D

Step-by-step explanation:

i did it on EDG

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The speed of radio waves can be approximated to be 299,790,000 meters per second. The wavelength of a particular radio station’s
azamat

Answer:

f = \frac{299790000 \frac{m}{s}}{3.03 m}= 9890594.06 Hz

And if we convert to megahertz we got:

9890594.06 Hz *\frac{1MHz}{10^6 Hz}= 98.9 MHz

Step-by-step explanation:

For any mechanical wave we have the following general relationship:

v = \lambda f

where:

v represent the speed of the wave = 299790000 m/s

\lambda = 3.03m represent the wavelength for the radio station

f represent the frequency of interest

If we solve for the frequency we got:

f = \frac{v}{\lambda}

And replacing the values we got:

f = \frac{299790000 \frac{m}{s}}{3.03 m}= 9890594.06 Hz

And if we convert to megahertz we got:

9890594.06 Hz *\frac{1MHz}{10^6 Hz}= 98.9 MHz

6 0
3 years ago
What is the range of the function (e^x)/(e^x)+c? Assume that c is a constant greater than zero.
mr_godi [17]
Try this explanation:
1. if to re-write the given function as:
y= \frac{e^x}{e^x+C}; \ \ \textless \ =\ \textgreater \  \ y=1- \frac{C}{e^x+C};
then it is possible to define its range:
2)   
\lim_{x \to+ \infty}[1- \frac{C}{e^x+C}]=1;  \\ \lim_{x \to- \infty}[1- \frac{C}{e^x+C}]=0

answer: (0;1)
4 0
3 years ago
Question 3 (Fill-In-The-Blank Worth 5 points)
lawyer [7]

2229Step-by-step explanation:

4 0
3 years ago
Which is the best to buy?
g100num [7]
The answer is D........
5 0
3 years ago
The value of the figure's surface area is equal to the value of the figure's volume find the value of x. the picture is of recta
emmasim [6.3K]
Surface are of a rectangular prism = 2(l x w + l x h + w x h) = 2(10 x 3 + 10x + 3x) = 2(30 + 13x) = 60 + 26x

Volume of a rectangular prism = l x w x h = 10 * 3 * x = 30x

Since surface area = volume
60 + 26x = 30x
4x = 60
x = 15 in
7 0
3 years ago
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