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Marrrta [24]
2 years ago
12

The inverse variation equation shows the relationship between wavelength in meters, x, and frequency, y. y = startfraction 3 x 1

0 superscript 8 baseline over x endfraction what is the wavelength for radio waves with frequency 3 × 109?
Mathematics
1 answer:
melomori [17]2 years ago
7 0

The wavelength for radio waves with frequency 3 × 10⁹ Hz is 0.1 m.

<h3>What's the relation between frequency and wavelength of electromagnetic waves?</h3>
  • For electromagnetic waves travelling in vaccum, the product of frequency and wavelength is the speed of light in vaccum.
  • Mathematically, frequency × wavelength = 3×10⁸ m/s (which is speed of light)
  • So, wavelength= 3×10⁸/ frequency

<h3>What's the wavelength of radio wave with frequency 3×10⁹ Hz ?</h3>

Wavelength of the radio wave= 3×10⁸/3×10⁹ = 0.1 m

Thus, we can conclude that the wavelength of the radio wave with frequency of 3 × 10⁹ Hz is 0.1 m.

Learn more about the wavelength of electromagnetic wave here:

brainly.com/question/27817563

#SPJ1

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Please answer this question now
Sloan [31]

Answer:

<h2>             39°</h2>

Step-by-step explanation:

A radius to the tangent point always forms a right angle with the tangent:

m∠XWY = 90°

So:

  90° + 58° + x - 7° = 180°

    141° + x = 180°

        x = 39°

4 0
3 years ago
You start with a penny which doubles each day for 30 days. How much money would you have after 30 days?
Radda [10]

Answer:

$555,765.76

Step-by-step explanation:

1

2

4

8

16

32

64

128

256

512

1024

2048

4096

8192

16282

32564

65128

13256

26512

53024

106048

212096

424192

868384

1736768

3473536

6947072

13894144

27788288

55576576=

555,765.76

6 0
3 years ago
An SRS of size 20 is drawn from a population that has a normal distribution. The sample has a mean of 122.5 and a standard devia
Tems11 [23]

Answer:

The value is  \sigma_{\= x} = 1.789

Step-by-step explanation:

From the question we are told that

   The sample size is  n =  20  

    The sample mean is \= x = 122.5

    The standard deviation is  s =  8

Generally the standard error of the mean is mathematically represented as

       \sigma_{\= x} =  \frac{s}{\sqrt{n} }

=>    \sigma_{\= x} =  \frac{8}{\sqrt{20 } }

=>    \sigma_{\= x} = 1.789

8 0
3 years ago
3-5x in verbal expression
Wittaler [7]
5 times a number subtracted from 3.

Hope this helps!
6 0
3 years ago
F(x)=x^2-8x+7 in factored form​
Karolina [17]

Answer:

(x-1)(x-7)

Step-by-step explanation:

To factor the equation, find two binomials which multiply to a quadratic. The quadratic's factors are found by finding two numbers that multiply to 7 and add to -8.

-1 and -7 multiply to 7 and add to -8.

(x-1)(x-7)

7 0
3 years ago
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