Signals are digitized during transmissions over wireless networks. The chart lists possible features of digital communication.

Mathematics

1 answer:

Makovka662 [10]3 years ago

8 0

Answer:

The correct features are;

2, 3, and 4

Step-by-step explanation:

2) Information carried by digital communication can be stored as digital information on electronic media such that they can be accessed with the aid of electronics and can be stored in a wide variety of recording formats including magnetic and optical media

3) Digital communication can be made over very long distance using serial communication. Fiber optics cables are used for transmitting information across continents using square waves which is a digital signal

4) Digital signals are less likely to be subjected to interference, distortion, and generation loss which is prone to analog signals, and therefore, there is less chance of signal loss when using digital communication.

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Swimming Pool On a certain hot summer's day, 143 people used the public swimming pool. The daily prices are $ 1.25 for children

kramer

Answer: 102 children and 41 adults swam at the pool that day.

Step-by-step explanation:

Let x represent the number of children that swam at the public pool that day.

Let y represent the number of adult that swam at the public pool that day.

On that certain hot summer's day, 143 people used the public swimming pool. It means that

x + y = 143

The daily prices are $1.25 for children and $2.25 for adults. The receipts for admission totaled $219.75. It means that

1.25x + 2.25y = 219.75- - - - - - - - -1

Substituting x = 143 - y into equation 1, it becomes