aray9na aray9na

19-03-2019
Mathematics

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Help me with 20 b, and 23, please! Thank you!

Help me with 20 b and 23 please Thank you class=

Respuesta :

danielfedorov02 danielfedorov02

19-03-2019

Answer:

20b.) -24˚C;

23.) -2820 feet.

Step-by-step explanation:

20b.) 12-4=8; 0-8×3=-24

23.) 0-7×60×2=-840;

-840+4×60×3=-120;

-120-9×60×5=-2820 feet

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