recently, cellular telephones have become

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