26-03-2020
Mathematics

contestada

between the time Mary woke up and lunchtime, the temperature rose by 11. Then by the time he went to bed, the temperature dropped by 14. Write an addition expression for the temperature relative to when Mary woke up. Draw a model using integer chips and circle the zero pairs

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wegnerkolmp2741o wegnerkolmp2741o

26-03-2020

Answer:

see below

Step-by-step explanation:

the temperature rose by 11. +11

the temperature dropped by 14 - 14

Let t = temperature

The expression is

t + 11 -14

Let x be positive chips and y be negative chips

xxxxx xxxxx x

yyyyy yyyyy yyyy

The result is -3

t-3

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