Answer:
Step-by-step explanation:
let th numbers be x and y.
x+y=21
y=21-x
Product P=xy=x(21-x)=21 x-x^2
P'=21-2x
P'=0 gives 21-2x=0,x=21/2
P"=-2
which is less than 0 at x=21/2
so P is greatest at x=21/2
y=21-21/2=21/2
P=21/2 ×21/2=441/4=110.25
It is, <span>17.09%. Hope that helps.</span>
Answer:
what hcomp10 said he is right
Step-by-step explanation:
Answer: 63.75
Step-by-step explanation:
8.5 x 15 = 127.5
127.5 ÷ 2 = 63.75
Since its a triangle not a rectangle, you half the answer you get when you just times them together
