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recently, cellular telephones have become
a country has 221 mobile cellular telephones per 250 inhabitants. if the country's population is about 2,800 how many mobile
1 answer
asked by
shannon
437 views
recently, cellular telephones have become very popular. At the same time new technology has made them less expensive to produce.
0 answers
asked by
ronie
551 views
Describe how telephones looked or what was unique about them
Write at least 2 sentences. Use these sentence starters. 1.
1 answer
38 views
Mary works in a factory that produces 1,000 telephones each day. When 30 telephones were sampled, it was found that 9 were
5 answers
asked by
Anonymous
2,682 views
How can broadcasting stations send their signals around the world?
using X-rays using TV satellites using the Global Positioning
1 answer
asked by
mir
116 views
How have telephones changed over the years. Be specific!
Write at least 2 sentences. Use these sentence starters to help: 1. When
1 answer
40 views
When was the telephone invented?
Who invented it? How did people use telephones at first? Write at least 2 sentences! Use these
1 answer
38 views
The weekly cost of manufacturing x telephones per week is found by a manufacturer to be C(x)= 500+20x+xsq dollars.
The telephones
4 answers
asked by
Anonymous
948 views
What kind of waves do cellular telephones use to transmit and receive signals?
gamma rays microwaves infrared rays ultraviolet
1 answer
asked by
mir
110 views
. The number of cellular telephones has increased dramatically in each of the past few years. Therefore there will be even more
3 answers
asked by
Ahish
553 views