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anonymous

  • one year ago

Which math expression represents the phrase? 4 times the sum of a number and 9 A. 4 · n + 9 B. 4 · (n · 9) C. 4 + (n + 9) D. 4 · (n + 9)

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  1. anonymous
    • one year ago
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    Just trying to see if its in perenthesis or not.

  2. jim_thompson5910
    • one year ago
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    4 · n + 9 only has you multiplying 4 by n but the problem says "4 times the sum". You want something where you are multiplying 4 by ALL of n+9

  3. carlyleukhardt
    • one year ago
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    Oh wait D is the real answer, sorry >.>

  4. anonymous
    • one year ago
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    So it would be d?

  5. anonymous
    • one year ago
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    Sisters math problem. Can anyone help? Dinner for eight people cost $156 plus a $30 tip for the waiter. The eight people decided to split the cost equally. Which expression shows how much each person paid? A. (156 + 30) ÷ 8 B. (156 ÷ 8) + 30 C. 156 + (30 ÷ 8) D. 8 ÷ (156 + 30)

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