Answered

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The temperature increase 12 Fahrenheit between 9 AM and noon decreased 9 Fahrenheit between noon and 6 PM

Sagot :

fichoh

Complete question :

The temperature increased 12 degrees between 9 am and noon. it decreased 9 degrees between noon and 6 pm. write an expression with three terms to show the change in temperature. let the first term represent the temperature at 9am.

Answer:

(t + 12 - 9)°F

Step-by-step explanation:

Let the temperature at 9:00 am = t

Temperature increase between 9:00 am and noon = 12 degrees

Temperature at noon = t + 12

Temperature decreased between noon and 6:00 pm

Temperature at 6:00 pm :

(t + 12) - 9

Hence final temperature at 6:00 pm :

(t + 12 - 9)

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