The second partial derivatives of 
exist everywhere in its domain. By Schwarz's theorem, the mixed second-order partials derivatives are equal:
Then
We don't actually need to compute 
and 
to know that they are both free of 
. So when we differentiate for a second time with respect to , the whole thing cancels out.
Answer:
12
Step-by-step explanation:
16^2+b^2=20^2
256+b^2=400
b^2=144
b=sqrt144
b=12
Hope this helps!1
SOLUTION:
If you drive at 55 mi/h for 110 miles, this means you drovefor 110 / 55 = 2 hours
Your total driving time is 4 hours and 15 minutes which meansthat you drove 2 and 15 minutes at the rate of 35 mi/h
2 hours and 15 minutes = 2×60 + 15 = 135minutes
35 miles / 60 minutes × ( 135 minutes) = 78.75miles
So total miles driven is 78.75 + 110 =188.75 miles
6/15 in simplest form is 2/5.
Divide the numerator and denominator by 3. :)
God bless
Answer:
96.3 cm measured to the nearest tenth of a cm is 100 cm
