I'm taking the liberty of editing your function as follows: <span>w=4r^2+6s^2, where I use " ^ " to indicate exponentiation.
The partial of w with respect to r is 8r. That with respect to s is 12s.</span>
Answer: 
for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²
Answer:
Then answer is 10.
Step-by-step explanation:
9 would cover 1,800 square feet so 925 square feet would be left so you should buy 10 cans.
Distribute the 5 to the (2+y). Parenthisis always come first. after that combine the 5y and the -y. you should end up with 2-(+4y) +2. add the -2 and +2. you should be left with 4y
Answer:
1199.52
Step-by-step explanation:
714/x=100/168
(714/x)*x=(100/168)*x - we multiply both sides of the equation by x
714=0.5952380952381*x - we divide both sides of the equation by (0.5952380952381) to get x
714/0.5952380952381=x
1199.52=x
x=1199.52
