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Nostrana [21]
3 years ago
5

What is the wavelength for radio waves with frequency 3x10^9

Mathematics
1 answer:
lozanna [386]3 years ago
6 0

Answer:

0.1 meters

Step-by-step explanation:

For an electromagnetic wave, the relationship between wavelength λ, frequency ν, and the speed of light c is given by:

c=\lambda \nu

where c=3*10^8m/s.

In our case of the radio waves \nu=3*10^8

therefore the wavelength λ is:

\lambda=\frac{c}{\nu} =\frac{3*10^8}{3*10^9} =0.1m.  

Therefore the wavelength of the radio waves is 0.1 meters.

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Which of the following angle pairs<br> are<br> NOT congruent?
Slav-nsk [51]

Answer:

<2 and <8

Step-by-step explanation:

8 0
3 years ago
Solve each given equation and show your work.
Eduardwww [97]

Answer:

(a) x = 3

(b) y = 6

(c) false/not true

(d) x = 5

Step-by-step explanation:

(A) 2 + x = 5 You would subtract the 2 from both sides which gives you x = 3

(B) 8y = 48 You would divide 8 from both sides which is 6 so y = 6

(C) 23 = 26 That is not true because 23 does not equal 26

(D) -7x - 3x + 2 = -8x - 8 First simplify the equation; -10x + 2 = -8x - 8. Next, you want to subtract 2 from both sides which gives us -10x = -8x - 10. Now you want to add 8x to both sides which is -2x = -10. And now you just divide -2 on both sides which gives us the answer 5. So, x = 5. I hope this helps. Let me know if one of the answers are incorrect.

3 0
3 years ago
Please help, I am super stuck and I cant lose points<br><br> this homework is 16 points total
bekas [8.4K]
Hello,

7)  A∪C={1,2,3,4,5,7,9}

8) A∩B={2,4}

C'= complement of C ={2,4,6}

9) A∪B∩C'={1,2,3,4,6,8}∩{2,4,6}={2,4,6}

10) A∪(B∩C')={1,2,3,4}∩{2,4,6}={1,2,3,4,6}

Are you blind?
4 0
3 years ago
One leg of a right triangle is 10 units, and its hypotenuse is 12 units. What is the length of the other leg?
denis-greek [22]

Answer:

about 7 units

Step-by-step explanation:

1010^{2} + b^{2} = 12^{2} \\100+b^{2} = 144 \\144- 100= 44\\=\sqrt{44} \\= 6.6\\round \\=7

3 0
3 years ago
A red car usb traveling 55mph for 206.35 miles how long does it take the car to arrive at is destination
Nataliya [291]

Hi there!

"mph" stands for "miles per hour".

This means that the car travels 55 miles in 1 hour.

To find your answer, you'll need to use the cross product method :

55 miles → 1 hour

206.35 → x

(1 × 206.35) ÷ 55 = x

206.35 ÷ 55 = x

206.35 ÷ 55 = 3.751818...

206.35 ÷ 55 ≈ 3.75


0.75 × 60 = 45 minutes


Your answer is: It takes 3 hours and 45 minutes for the car to arrive at its destination.


There you go! I really hope this helped, if there's anything just let me know! :)

4 0
3 years ago
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