Answer:
31-19=12°F
12°F
Step-by-step explanation
If it was 19 degrees on Monday and 31 degrees on Tuesday you have to see how much did it go up in temp. So..
the difference between 19 and 31 is 12, so that means it went up by 12°F.
A =πr2
Π = 3.14
r = ½diameter = 25/2 =12.5 inches
∴ Area = 3.14 × 12.5 × 12.5 square inches
Area = 490.625 square inches
Step-by-step explanation:
It is 340 dollars in total, I do this in an ubcenventional way of dividing 272 by 80 which gave you 3.4 which is equal to one percent and then multiply that by 20 which is 68 and add that to the other 80 percent of her bill to get 340 dollars
7 . 3
--- × ------
10. . 6
= 21
--------
60
= 7/20