Question

the temperature at midnight on the cold winter night was minus 2 ℃ 12 hours later the temperature increased by 9℃ the temperature at noon was a)7℃ b) -7℃ c) 11℃ d)-11℃​

Answer 1

-2 degree Celsius+9 degree Celsius

=7 degree Celsius

7 degree Celsius x12

=84 degree Celsius

=84/12

=12 degree Celsius

Answer 2

Option 'a' is correct.

Step-by-step explanation:

Since we have given that

Temperature at midnight = -2℃

In 12 hours, the temperature increased by 9℃,

So, the temperature at noon would be

$-2^\circ C+9^\circ C\\\\=7^\circ C$

Hence, Option 'a' is correct.

# learn more:

The temperature at midnight on a cold winter night was -2°C . twelve hours later the temperature increased by 9° C the temperature at noon was

question