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Tal_Tal

  • one year ago

Match each statement (term) with its value in relation to 0 (definition). A building is 38 feet tall. The scuba diver was 38 feet below sea level. The basement is 8.3 feet below ground. Oliver owes his sister $27. Erica jumped 2.7 feet above ground.

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  1. Tal_Tal
    • one year ago
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    Here are the choices

  2. Tal_Tal
    • one year ago
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    A) 2.7 B) −38 C) –8.3 D) –27 E) 38

  3. Tal_Tal
    • one year ago
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    Sorry I'm bad at this lol :)

  4. mathstudent55
    • one year ago
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    Use positive numbers for tall, and above ground. Use negative numbers for money owed, below ground, and below sea level.

  5. Tal_Tal
    • one year ago
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    Oh I get it now!! Thank you so much!

  6. mathstudent55
    • one year ago
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    |dw:1444241671413:dw|

  7. mathstudent55
    • one year ago
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    Look at the figure above. Think of ground level as being zero on a vertical (up and down) number line. Anything above ground is a positive number. Anything below ground is a negative number.

  8. mathstudent55
    • one year ago
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    The same is true fro sea level. Sea level is zero on a vertical number line. The sail of a boat that is 20 ft above sea level is represented by 20 ft. A scuba diver who dives to a depth of 38 ft below sea level is at -38 ft.

  9. mathstudent55
    • one year ago
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    You can also use positive and negative amounts to represent money. Money you have is positive. Money you owe is negative. For example, in one pocket you have $5. In your other pocket you have $7. In your piggy bank you have $12. You owe your friend $3. How much total money do you really have? Add all the amounts, but call the amounts you own positive and the amount you owe negative. Amounts you have: $5, $7, $12 Amount you owe: -$3 Now add all the amounts (being careful with positive and negative signs): $5 + $7 + $12 + (-$3) = $5 + $7 + $12 - $3 = $24 - $3 = $21

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