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The temperature decreased overnight by 15.2°C to a temperature of –12.8°C. Suppose t represents the temperature before it decreased. Which equation can be used to represent this situation? A. t – 15.2
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Jan 5, 2016
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The temperature decreased overnight by 15.2°C to a temperature of –12.8°C. Suppose t represents the temperature before it decreased.
Which equation can be used to represent this situation?
A.
t – 15.2 = –12.8
B.
t + 12.8 = –15.2
C.
t – 12.8 = 15.2
D.
t – (–15.2) = –12.8
Mathematics
high-school
TFischer
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't' is the temperature before it decreased.
The temperature decreases by 15.2, so we subtract 15.2.
The result after we subtract is -12.8, so that's what it equals.
So we have:
t - 15.2 = -12.8
Dem Pilafian
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Jan 9, 2016
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Dem Pilafian
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