3 years ago

7.)

Mathematics

1 answer:

I am Lyosha [343]3 years ago

8 0

Answer:

The final temperature for the day was -16 degrees.

Step-by-step explanation:

6-12= -6

-6-10= -16

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first you divide...

242 divided by 10 equals 24.2

so each book cost $24.20

then you take 24.2 and times it by 2

24.2 times 2 equals 48.4

so the 2 books he gave to his friend cost $48.40

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2..........................

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Step-by-step explanation:

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$\text{if }a \in \{-3, 3\},\text{the number of solutions is 2}$

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