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ShadowCain

  • one year ago

At noon, the temperature of a container of ether was –109⁰C. At 1 p.m., the temperature of the container of ether was –34⁰C. What was the change in temperature from noon to 1 p.m.? I know I have to subtract the numbers but is the answer negative or positive?

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  1. ShadowCain
    • one year ago
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    Since they are just asking for the change in temperature, would it just be the absolute value?

  2. ShadowCain
    • one year ago
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    @jim_thompson5910 @zepdrix

  3. jim_thompson5910
    • one year ago
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    change in temperature = (new temp) - (old temp) change in temperature = (-34) - (-109) change in temperature = ??

  4. ShadowCain
    • one year ago
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    Change is 75 degrees C

  5. jim_thompson5910
    • one year ago
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    yes

  6. ShadowCain
    • one year ago
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    Thanks

  7. jim_thompson5910
    • one year ago
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    you're welcome

  8. jim_thompson5910
    • one year ago
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    Also, the answer is positive because the temperature has increased. You can see this on a number line (instead of making the number line horizontal, I made it vertical) |dw:1441163230850:dw|

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