hey12345668 hey12345668

25-02-2019
Mathematics

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I need help on this question please help me

I need help on this question please help me class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

25-02-2019

Answer:

D

Step-by-step explanation:

increase means + and decrease means -

A. +2 -6 = -4

B -5+1 = -4

C +6 -4 = 2

D -7+7 =0

We want to end up where we started which is a net gain of 0

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epicyolo64 epicyolo64

25-02-2019

Answer:

D

Step-by-step explanation:

If the temperature decreases by 7 then increases by 7, then it is the same temperature. x-7+7=x

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