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anygoal [31]
3 years ago
15

The temperature rose by 30°F today write a signed number to represent the temperature change

Mathematics
1 answer:
KiRa [710]3 years ago
5 0

Answer:

+30 degrees

Step-by-step explanation:

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A certain solution of salt water is 10% salt and weighs 50 pounds. more salt must be added to produce a solution that is 25% sal
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