Answer:
43 square cm
Step-by-step explanation:
Hope that helps!
Answer:
x = 5
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of squares on the other 2 sides, that is
x² + 12² = 13²
x² + 144 = 169 ( subtract 144 from both sides )
x² = 25 ( take the square root of both sides )
x = 
= 5
9514 1404 393
Answer:
- 34.6574 years
- 34 years, 239.94 days
Step-by-step explanation:
For continuous compounding the "rule of 69" applies. That is the doubling time can be found from ...
t = 69.3147/r . . . . where r is the interest rate in percent.
Here, r=2, so ...
t = 69.3147/2 = 34.6574 . . . years
That's 34 years and 240 days.
Alright The Right Ans Is 30/60-42/60=12/60
20.1797 u
There are 6.022×10^23 in one mole
