Question

Please answer me this question with solution ​

Answer 1

Answer:

b) -12 degrees Celsius

Step-by-step explanation:

step 1. the temperature has dropped by 3 degrees by 7 a.m from 6 degrees Celsius

so you subtract -6 degrees -3 degrees (-6-3)= -9 degrees

step 2. next the temperature rose by 4 degrees between 7 a.m and 8 a.m

so add 4 degrees to -9 degrees (-9+4)= -5 degrees

step 3. the temperature then again dropped by 7 degrees between 8 a.m and 9 a.m

therefore to find the temperature at 9 a.m you subtract -5 degrees by 7 i.e (-5-7)= -12 degrees

therefore the temperature at 9 a.m was -12 degrees Celsius

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