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Bumek [7]
3 years ago
14

Answer all questions: 1) The electric field of an electromagnetic wave propagating in air is given by E(z,t) = 4cos(6 x 10^8 t -

2z) +3 sin(6 x 10 t -2z) (V/m). Find the associated magnetic field H(z,t)
Mathematics
1 answer:
Andre45 [30]3 years ago
4 0

Answer:

8

Step-by-step explanation:

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Yati has a coin box containing some coins. 40% of the coins are 20-cent coins and the rest are 50-cent coins.
lana66690 [7]

The fraction that should be removed is 1/5.

<h3>How to calculate the fraction?</h3>

It should be noted that from the information, 40% of the coins are 20-cent coins and the rest are 50-cent coins. Those that are 50 cent will be:

= 100 - 40%

= 60%

The fraction that's should be removed will be:

= 2/5 - x = 1/5

x = 2/5 - 1/5

x = 1/5

The fraction that should be removed is 1/5.

Learn more about fractions on:

brainly.com/question/17220365

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maria [59]
The GCF of 180 and 240 is 60
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The Neolithic Revolution
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The Neolithic Revolution allowed people to live in permanent settlements.

<u>Explanation:</u>

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