Answer:
-5.02
Step-by-step explanation:
the result becomes negative because 7.273 is less than 12.37
Answer:
As there is one math problem over there.
Lets see the question first:
It says that "A hair dryer is rated
,if you use the dryer for
.How much electric energy do you use ?"
Final answer = Electic energy 
Step-by-step explanation:
Electrical Energy
.
The total amount of electrical energy used depends on the total power used by the electrical device and the total time they are used for.
So we have been given the power of the hair dryer 
Now the time it has been use for 
To calculate electric energy we will multiply both the terms.
Electric energy 
So electric energy used for the hairdryer is =
Answer:
Step-by-step explanation:
Because 12 and 11 are not the same number it could be added it it were 11^3 and 11^4. But in this case it cannot.
The overall temperature would be 3.6°F as this is how much it was changed by
Answer=3.6°F
Answer:
B) The area is four times larger
Step-by-step explanation:



Therefore, the area is four times larger