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sarahlikewoe

4. The cost of a long-distance telephone call is given by the function C(m) = 0.1m + 0.95 where m is the length of the call in minutes. Determine how long a phone call can be made for $5.95. 100 minutes 50 minutes 45 minutes 59 minutes

  • one year ago
  • one year ago

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  1. Coolsector
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    5.95 = 0.1m + 0.95 solve for m

    • one year ago
  2. sarahlikewoe
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    how do i do tht again ?

    • one year ago
  3. satellite73
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    when was your book written, 1976? who pays for long distance calls at ten cents a minute?

    • one year ago
  4. Coolsector
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    subtract 0.95 from both sides

    • one year ago
  5. Coolsector
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    what do you get ?

    • one year ago
  6. satellite73
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    \[595=10m+95\] is a good start, work with pennies

    • one year ago
  7. Coolsector
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    lol

    • one year ago
  8. satellite73
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    subtract 95 divide by 10

    • one year ago
  9. sarahlikewoe
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    59?

    • one year ago
  10. sarahlikewoe
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    @Coolsector

    • one year ago
  11. Coolsector
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    5.95 = 0.1m +0.95 subtract 0.95 from both sides 5 = 0.1m divide by 0.1 (its like multiplying by 10) both sides m=50

    • one year ago
  12. sarahlikewoe
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    Ohhh ! ok

    • one year ago
  13. Coolsector
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    :)

    • one year ago
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