Hello,
Let's be x and y the 2 numbers
x+y=20==>y=20-x
P(x)=x*y=x*(20-x)=20x-x²
Max(P(x))==>P'(x)=0= 20-2x==>2x=20==>x=10
A product is maximum is the 2 numbers are equals;
Numbers are 10 and 10 and product=100
Answer:
I don't have a baby sister, but what's the question?
Step-by-step explanation:
Answer:
x^2-9x+20
Step-by-step explanation:
I used M a t h w a y to get your answer. It just gives the answer, so there's no step-by-step explanation unless you have a premium account (I don't).
Hope this helps!
Answer:
A. 
Step-by-step explanation:
÷ 
21 ÷ 7 = 3
28 ÷ 7 = 4
Answer:
1800
Step-by-step explanation:
3x6 is 18. You can't use the 1 cuz if you multiply 0 to anything it's 0